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/compose/build/hooks/use-copy-to-clipboard/index.js

@@ -0,0 +1,72 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useCopyToClipboard;
+var _clipboard = _interopRequireDefault(require("clipboard"));
+var _element = require("@wordpress/element");
+var _useRefEffect = _interopRequireDefault(require("../use-ref-effect"));
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+/**
+ * @template T
+ * @param {T} value
+ * @return {import('react').RefObject<T>} The updated ref
+ */
+function useUpdatedRef(value) {
+  const ref = (0, _element.useRef)(value);
+  ref.current = value;
+  return ref;
+}
+
+/**
+ * Copies the given text to the clipboard when the element is clicked.
+ *
+ * @template {HTMLElement} TElementType
+ * @param {string | (() => string)} text      The text to copy. Use a function if not
+ *                                            already available and expensive to compute.
+ * @param {Function}                onSuccess Called when to text is copied.
+ *
+ * @return {import('react').Ref<TElementType>} A ref to assign to the target element.
+ */
+function useCopyToClipboard(text, onSuccess) {
+  // Store the dependencies as refs and continuously update them so they're
+  // fresh when the callback is called.
+  const textRef = useUpdatedRef(text);
+  const onSuccessRef = useUpdatedRef(onSuccess);
+  return (0, _useRefEffect.default)(node => {
+    // Clipboard listens to click events.
+    const clipboard = new _clipboard.default(node, {
+      text() {
+        return typeof textRef.current === 'function' ? textRef.current() : textRef.current || '';
+      }
+    });
+    clipboard.on('success', ({
+      clearSelection
+    }) => {
+      // Clearing selection will move focus back to the triggering
+      // button, ensuring that it is not reset to the body, and
+      // further that it is kept within the rendered node.
+      clearSelection();
+      if (onSuccessRef.current) {
+        onSuccessRef.current();
+      }
+    });
+    return () => {
+      clipboard.destroy();
+    };
+  }, []);
+}
+//# sourceMappingURL=index.js.map

node_modules/@wordpress/compose/build/hooks/use-copy-to-clipboard/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_clipboard","_interopRequireDefault","require","_element","_useRefEffect","useUpdatedRef","value","ref","useRef","current","useCopyToClipboard","text","onSuccess","textRef","onSuccessRef","useRefEffect","node","clipboard","Clipboard","on","clearSelection","destroy"],"sources":["@wordpress/compose/src/hooks/use-copy-to-clipboard/index.js"],"sourcesContent":["/**\n * External dependencies\n */\nimport Clipboard from 'clipboard';\n\n/**\n * WordPress dependencies\n */\nimport { useRef } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport useRefEffect from '../use-ref-effect';\n\n/**\n * @template T\n * @param {T} value\n * @return {import('react').RefObject<T>} The updated ref\n */\nfunction useUpdatedRef( value ) {\n\tconst ref = useRef( value );\n\tref.current = value;\n\treturn ref;\n}\n\n/**\n * Copies the given text to the clipboard when the element is clicked.\n *\n * @template {HTMLElement} TElementType\n * @param {string | (() => string)} text      The text to copy. Use a function if not\n *                                            already available and expensive to compute.\n * @param {Function}                onSuccess Called when to text is copied.\n *\n * @return {import('react').Ref<TElementType>} A ref to assign to the target element.\n */\nexport default function useCopyToClipboard( text, onSuccess ) {\n\t// Store the dependencies as refs and continuously update them so they're\n\t// fresh when the callback is called.\n\tconst textRef = useUpdatedRef( text );\n\tconst onSuccessRef = useUpdatedRef( onSuccess );\n\treturn useRefEffect( ( node ) => {\n\t\t// Clipboard listens to click events.\n\t\tconst clipboard = new Clipboard( node, {\n\t\t\ttext() {\n\t\t\t\treturn typeof textRef.current === 'function'\n\t\t\t\t\t? textRef.current()\n\t\t\t\t\t: textRef.current || '';\n\t\t\t},\n\t\t} );\n\n\t\tclipboard.on( 'success', ( { clearSelection } ) => {\n\t\t\t// Clearing selection will move focus back to the triggering\n\t\t\t// button, ensuring that it is not reset to the body, and\n\t\t\t// further that it is kept within the rendered node.\n\t\t\tclearSelection();\n\n\t\t\tif ( onSuccessRef.current ) {\n\t\t\t\tonSuccessRef.current();\n\t\t\t}\n\t\t} );\n\n\t\treturn () => {\n\t\t\tclipboard.destroy();\n\t\t};\n\t}, [] );\n}\n"],"mappings":";;;;;;;AAGA,IAAAA,UAAA,GAAAC,sBAAA,CAAAC,OAAA;AAKA,IAAAC,QAAA,GAAAD,OAAA;AAKA,IAAAE,aAAA,GAAAH,sBAAA,CAAAC,OAAA;AAbA;AACA;AACA;;AAGA;AACA;AACA;;AAGA;AACA;AACA;;AAGA;AACA;AACA;AACA;AACA;AACA,SAASG,aAAaA,CAAEC,KAAK,EAAG;EAC/B,MAAMC,GAAG,GAAG,IAAAC,eAAM,EAAEF,KAAM,CAAC;EAC3BC,GAAG,CAACE,OAAO,GAAGH,KAAK;EACnB,OAAOC,GAAG;AACX;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACe,SAASG,kBAAkBA,CAAEC,IAAI,EAAEC,SAAS,EAAG;EAC7D;EACA;EACA,MAAMC,OAAO,GAAGR,aAAa,CAAEM,IAAK,CAAC;EACrC,MAAMG,YAAY,GAAGT,aAAa,CAAEO,SAAU,CAAC;EAC/C,OAAO,IAAAG,qBAAY,EAAIC,IAAI,IAAM;IAChC;IACA,MAAMC,SAAS,GAAG,IAAIC,kBAAS,CAAEF,IAAI,EAAE;MACtCL,IAAIA,CAAA,EAAG;QACN,OAAO,OAAOE,OAAO,CAACJ,OAAO,KAAK,UAAU,GACzCI,OAAO,CAACJ,OAAO,CAAC,CAAC,GACjBI,OAAO,CAACJ,OAAO,IAAI,EAAE;MACzB;IACD,CAAE,CAAC;IAEHQ,SAAS,CAACE,EAAE,CAAE,SAAS,EAAE,CAAE;MAAEC;IAAe,CAAC,KAAM;MAClD;MACA;MACA;MACAA,cAAc,CAAC,CAAC;MAEhB,IAAKN,YAAY,CAACL,OAAO,EAAG;QAC3BK,YAAY,CAACL,OAAO,CAAC,CAAC;MACvB;IACD,CAAE,CAAC;IAEH,OAAO,MAAM;MACZQ,SAAS,CAACI,OAAO,CAAC,CAAC;IACpB,CAAC;EACF,CAAC,EAAE,EAAG,CAAC;AACR","ignoreList":[]}