fix: prevent asset conflicts between React and Grid.js versions

Add coexistence checks to all enqueue methods to prevent loading
both React and Grid.js assets simultaneously.

Changes:
- ReactAdmin.php: Only enqueue React assets when ?react=1
- Init.php: Skip Grid.js when React active on admin pages
- Form.php, Coupon.php, Access.php: Restore classic assets when ?react=0
- Customer.php, Product.php, License.php: Add coexistence checks

Now the toggle between Classic and React versions works correctly.

Co-authored-by: Claude Opus 4.7 <noreply@anthropic.com>

node_modules/@wordpress/data/build/components/registry-provider/context.js

@@ -0,0 +1,65 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = exports.RegistryConsumer = exports.Context = void 0;
+var _element = require("@wordpress/element");
+var _defaultRegistry = _interopRequireDefault(require("../../default-registry"));
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+const Context = exports.Context = (0, _element.createContext)(_defaultRegistry.default);
+const {
+  Consumer,
+  Provider
+} = Context;
+
+/**
+ * A custom react Context consumer exposing the provided `registry` to
+ * children components. Used along with the RegistryProvider.
+ *
+ * You can read more about the react context api here:
+ * https://reactjs.org/docs/context.html#contextprovider
+ *
+ * @example
+ * ```js
+ * import {
+ *   RegistryProvider,
+ *   RegistryConsumer,
+ *   createRegistry
+ * } from '@wordpress/data';
+ *
+ * const registry = createRegistry( {} );
+ *
+ * const App = ( { props } ) => {
+ *   return <RegistryProvider value={ registry }>
+ *     <div>Hello There</div>
+ *     <RegistryConsumer>
+ *       { ( registry ) => (
+ *         <ComponentUsingRegistry
+ *         		{ ...props }
+ *         	  registry={ registry }
+ *       ) }
+ *     </RegistryConsumer>
+ *   </RegistryProvider>
+ * }
+ * ```
+ */
+const RegistryConsumer = exports.RegistryConsumer = Consumer;
+
+/**
+ * A custom Context provider for exposing the provided `registry` to children
+ * components via a consumer.
+ *
+ * See <a name="#RegistryConsumer">RegistryConsumer</a> documentation for
+ * example.
+ */
+var _default = exports.default = Provider;
+//# sourceMappingURL=context.js.map

node_modules/@wordpress/data/build/components/registry-provider/context.js.map

@@ -0,0 +1 @@
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node_modules/@wordpress/data/build/components/registry-provider/index.js

@@ -0,0 +1,29 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "RegistryConsumer", {
+  enumerable: true,
+  get: function () {
+    return _context.RegistryConsumer;
+  }
+});
+Object.defineProperty(exports, "RegistryProvider", {
+  enumerable: true,
+  get: function () {
+    return _context.default;
+  }
+});
+Object.defineProperty(exports, "useRegistry", {
+  enumerable: true,
+  get: function () {
+    return _useRegistry.default;
+  }
+});
+var _context = _interopRequireWildcard(require("./context"));
+var _useRegistry = _interopRequireDefault(require("./use-registry"));
+function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
+function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
+//# sourceMappingURL=index.js.map

node_modules/@wordpress/data/build/components/registry-provider/index.js.map

@@ -0,0 +1 @@
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node_modules/@wordpress/data/build/components/registry-provider/use-registry.js

@@ -0,0 +1,59 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useRegistry;
+var _element = require("@wordpress/element");
+var _context = require("./context");
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+/**
+ * A custom react hook exposing the registry context for use.
+ *
+ * This exposes the `registry` value provided via the
+ * <a href="#RegistryProvider">Registry Provider</a> to a component implementing
+ * this hook.
+ *
+ * It acts similarly to the `useContext` react hook.
+ *
+ * Note: Generally speaking, `useRegistry` is a low level hook that in most cases
+ * won't be needed for implementation. Most interactions with the `@wordpress/data`
+ * API can be performed via the `useSelect` hook,  or the `withSelect` and
+ * `withDispatch` higher order components.
+ *
+ * @example
+ * ```js
+ * import {
+ *   RegistryProvider,
+ *   createRegistry,
+ *   useRegistry,
+ * } from '@wordpress/data';
+ *
+ * const registry = createRegistry( {} );
+ *
+ * const SomeChildUsingRegistry = ( props ) => {
+ *   const registry = useRegistry();
+ *   // ...logic implementing the registry in other react hooks.
+ * };
+ *
+ *
+ * const ParentProvidingRegistry = ( props ) => {
+ *   return <RegistryProvider value={ registry }>
+ *     <SomeChildUsingRegistry { ...props } />
+ *   </RegistryProvider>
+ * };
+ * ```
+ *
+ * @return {Function}  A custom react hook exposing the registry context value.
+ */
+function useRegistry() {
+  return (0, _element.useContext)(_context.Context);
+}
+//# sourceMappingURL=use-registry.js.map

node_modules/@wordpress/data/build/components/registry-provider/use-registry.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_element","require","_context","useRegistry","useContext","Context"],"sources":["@wordpress/data/src/components/registry-provider/use-registry.js"],"sourcesContent":["/**\n * WordPress dependencies\n */\nimport { useContext } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport { Context } from './context';\n\n/**\n * A custom react hook exposing the registry context for use.\n *\n * This exposes the `registry` value provided via the\n * <a href=\"#RegistryProvider\">Registry Provider</a> to a component implementing\n * this hook.\n *\n * It acts similarly to the `useContext` react hook.\n *\n * Note: Generally speaking, `useRegistry` is a low level hook that in most cases\n * won't be needed for implementation. Most interactions with the `@wordpress/data`\n * API can be performed via the `useSelect` hook,  or the `withSelect` and\n * `withDispatch` higher order components.\n *\n * @example\n * ```js\n * import {\n *   RegistryProvider,\n *   createRegistry,\n *   useRegistry,\n * } from '@wordpress/data';\n *\n * const registry = createRegistry( {} );\n *\n * const SomeChildUsingRegistry = ( props ) => {\n *   const registry = useRegistry();\n *   // ...logic implementing the registry in other react hooks.\n * };\n *\n *\n * const ParentProvidingRegistry = ( props ) => {\n *   return <RegistryProvider value={ registry }>\n *     <SomeChildUsingRegistry { ...props } />\n *   </RegistryProvider>\n * };\n * ```\n *\n * @return {Function}  A custom react hook exposing the registry context value.\n */\nexport default function useRegistry() {\n\treturn useContext( Context );\n}\n"],"mappings":";;;;;;AAGA,IAAAA,QAAA,GAAAC,OAAA;AAKA,IAAAC,QAAA,GAAAD,OAAA;AARA;AACA;AACA;;AAGA;AACA;AACA;;AAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACe,SAASE,WAAWA,CAAA,EAAG;EACrC,OAAO,IAAAC,mBAAU,EAAEC,gBAAQ,CAAC;AAC7B","ignoreList":[]}