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/components/build/composite/index.js

@@ -0,0 +1,31 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "Composite", {
+  enumerable: true,
+  get: function () {
+    return _reakit.Composite;
+  }
+});
+Object.defineProperty(exports, "CompositeGroup", {
+  enumerable: true,
+  get: function () {
+    return _reakit.CompositeGroup;
+  }
+});
+Object.defineProperty(exports, "CompositeItem", {
+  enumerable: true,
+  get: function () {
+    return _reakit.CompositeItem;
+  }
+});
+Object.defineProperty(exports, "useCompositeState", {
+  enumerable: true,
+  get: function () {
+    return _reakit.useCompositeState;
+  }
+});
+var _reakit = require("reakit");
+//# sourceMappingURL=index.js.map

node_modules/@wordpress/components/build/composite/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_reakit","require"],"sources":["@wordpress/components/src/composite/index.ts"],"sourcesContent":["/**\n * Composite is a component that may contain navigable items represented by\n * CompositeItem. It's inspired by the WAI-ARIA Composite Role and implements\n * all the keyboard navigation mechanisms to ensure that there's only one\n * tab stop for the whole Composite element. This means that it can behave as\n * a roving tabindex or aria-activedescendant container.\n *\n * @see https://reakit.io/docs/composite/\n *\n * The plan is to build own API that accounts for future breaking changes\n * in Reakit (https://github.com/WordPress/gutenberg/pull/28085).\n */\n/* eslint-disable-next-line no-restricted-imports */\nexport {\n\tComposite,\n\tCompositeGroup,\n\tCompositeItem,\n\tuseCompositeState,\n} from 'reakit';\n\n/* eslint-disable-next-line no-restricted-imports */\nexport type { CompositeStateReturn as CompositeState } from 'reakit';\n"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAaA,IAAAA,OAAA,GAAAC,OAAA"}

node_modules/@wordpress/components/build/composite/v2.js

@@ -0,0 +1,43 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+Object.defineProperty(exports, "Composite", {
+  enumerable: true,
+  get: function () {
+    return _react.Composite;
+  }
+});
+Object.defineProperty(exports, "CompositeGroup", {
+  enumerable: true,
+  get: function () {
+    return _react.CompositeGroup;
+  }
+});
+Object.defineProperty(exports, "CompositeGroupLabel", {
+  enumerable: true,
+  get: function () {
+    return _react.CompositeGroupLabel;
+  }
+});
+Object.defineProperty(exports, "CompositeItem", {
+  enumerable: true,
+  get: function () {
+    return _react.CompositeItem;
+  }
+});
+Object.defineProperty(exports, "CompositeRow", {
+  enumerable: true,
+  get: function () {
+    return _react.CompositeRow;
+  }
+});
+Object.defineProperty(exports, "useCompositeStore", {
+  enumerable: true,
+  get: function () {
+    return _react.useCompositeStore;
+  }
+});
+var _react = require("@ariakit/react");
+//# sourceMappingURL=v2.js.map

node_modules/@wordpress/components/build/composite/v2.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_react","require"],"sources":["@wordpress/components/src/composite/v2.ts"],"sourcesContent":["/**\n * Composite is a component that may contain navigable items represented by\n * CompositeItem. It's inspired by the WAI-ARIA Composite Role and implements\n * all the keyboard navigation mechanisms to ensure that there's only one\n * tab stop for the whole Composite element. This means that it can behave as\n * a roving tabindex or aria-activedescendant container.\n *\n * @see https://ariakit.org/components/composite\n */\n\n/* eslint-disable-next-line no-restricted-imports */\nexport {\n\tComposite,\n\tCompositeGroup,\n\tCompositeGroupLabel,\n\tCompositeItem,\n\tCompositeRow,\n\tuseCompositeStore,\n} from '@ariakit/react';\n\n/* eslint-disable-next-line no-restricted-imports */\nexport type { CompositeStore } from '@ariakit/react';\n"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;AAWA,IAAAA,MAAA,GAAAC,OAAA"}