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-dragging/index.js

@@ -0,0 +1,79 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useDragging;
+var _element = require("@wordpress/element");
+var _useIsomorphicLayoutEffect = _interopRequireDefault(require("../use-isomorphic-layout-effect"));
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+// Event handlers that are triggered from `document` listeners accept a MouseEvent,
+// while those triggered from React listeners accept a React.MouseEvent.
+/**
+ * @param {Object}                                  props
+ * @param {(e: import('react').MouseEvent) => void} props.onDragStart
+ * @param {(e: MouseEvent) => void}                 props.onDragMove
+ * @param {(e?: MouseEvent) => void}                props.onDragEnd
+ */
+function useDragging({
+  onDragStart,
+  onDragMove,
+  onDragEnd
+}) {
+  const [isDragging, setIsDragging] = (0, _element.useState)(false);
+  const eventsRef = (0, _element.useRef)({
+    onDragStart,
+    onDragMove,
+    onDragEnd
+  });
+  (0, _useIsomorphicLayoutEffect.default)(() => {
+    eventsRef.current.onDragStart = onDragStart;
+    eventsRef.current.onDragMove = onDragMove;
+    eventsRef.current.onDragEnd = onDragEnd;
+  }, [onDragStart, onDragMove, onDragEnd]);
+
+  /** @type {(e: MouseEvent) => void} */
+  const onMouseMove = (0, _element.useCallback)(event => eventsRef.current.onDragMove && eventsRef.current.onDragMove(event), []);
+  /** @type {(e?: MouseEvent) => void} */
+  const endDrag = (0, _element.useCallback)(event => {
+    if (eventsRef.current.onDragEnd) {
+      eventsRef.current.onDragEnd(event);
+    }
+    document.removeEventListener('mousemove', onMouseMove);
+    document.removeEventListener('mouseup', endDrag);
+    setIsDragging(false);
+  }, []);
+  /** @type {(e: import('react').MouseEvent) => void} */
+  const startDrag = (0, _element.useCallback)(event => {
+    if (eventsRef.current.onDragStart) {
+      eventsRef.current.onDragStart(event);
+    }
+    document.addEventListener('mousemove', onMouseMove);
+    document.addEventListener('mouseup', endDrag);
+    setIsDragging(true);
+  }, []);
+
+  // Remove the global events when unmounting if needed.
+  (0, _element.useEffect)(() => {
+    return () => {
+      if (isDragging) {
+        document.removeEventListener('mousemove', onMouseMove);
+        document.removeEventListener('mouseup', endDrag);
+      }
+    };
+  }, [isDragging]);
+  return {
+    startDrag,
+    endDrag,
+    isDragging
+  };
+}
+//# sourceMappingURL=index.js.map

node_modules/@wordpress/compose/build/hooks/use-dragging/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_element","require","_useIsomorphicLayoutEffect","_interopRequireDefault","useDragging","onDragStart","onDragMove","onDragEnd","isDragging","setIsDragging","useState","eventsRef","useRef","useIsomorphicLayoutEffect","current","onMouseMove","useCallback","event","endDrag","document","removeEventListener","startDrag","addEventListener","useEffect"],"sources":["@wordpress/compose/src/hooks/use-dragging/index.js"],"sourcesContent":["/**\n * WordPress dependencies\n */\nimport { useCallback, useEffect, useRef, useState } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport useIsomorphicLayoutEffect from '../use-isomorphic-layout-effect';\n\n// Event handlers that are triggered from `document` listeners accept a MouseEvent,\n// while those triggered from React listeners accept a React.MouseEvent.\n/**\n * @param {Object}                                  props\n * @param {(e: import('react').MouseEvent) => void} props.onDragStart\n * @param {(e: MouseEvent) => void}                 props.onDragMove\n * @param {(e?: MouseEvent) => void}                props.onDragEnd\n */\nexport default function useDragging( { onDragStart, onDragMove, onDragEnd } ) {\n\tconst [ isDragging, setIsDragging ] = useState( false );\n\n\tconst eventsRef = useRef( {\n\t\tonDragStart,\n\t\tonDragMove,\n\t\tonDragEnd,\n\t} );\n\tuseIsomorphicLayoutEffect( () => {\n\t\teventsRef.current.onDragStart = onDragStart;\n\t\teventsRef.current.onDragMove = onDragMove;\n\t\teventsRef.current.onDragEnd = onDragEnd;\n\t}, [ onDragStart, onDragMove, onDragEnd ] );\n\n\t/** @type {(e: MouseEvent) => void} */\n\tconst onMouseMove = useCallback(\n\t\t( event ) =>\n\t\t\teventsRef.current.onDragMove &&\n\t\t\teventsRef.current.onDragMove( event ),\n\t\t[]\n\t);\n\t/** @type {(e?: MouseEvent) => void} */\n\tconst endDrag = useCallback( ( event ) => {\n\t\tif ( eventsRef.current.onDragEnd ) {\n\t\t\teventsRef.current.onDragEnd( event );\n\t\t}\n\t\tdocument.removeEventListener( 'mousemove', onMouseMove );\n\t\tdocument.removeEventListener( 'mouseup', endDrag );\n\t\tsetIsDragging( false );\n\t}, [] );\n\t/** @type {(e: import('react').MouseEvent) => void} */\n\tconst startDrag = useCallback( ( event ) => {\n\t\tif ( eventsRef.current.onDragStart ) {\n\t\t\teventsRef.current.onDragStart( event );\n\t\t}\n\t\tdocument.addEventListener( 'mousemove', onMouseMove );\n\t\tdocument.addEventListener( 'mouseup', endDrag );\n\t\tsetIsDragging( true );\n\t}, [] );\n\n\t// Remove the global events when unmounting if needed.\n\tuseEffect( () => {\n\t\treturn () => {\n\t\t\tif ( isDragging ) {\n\t\t\t\tdocument.removeEventListener( 'mousemove', onMouseMove );\n\t\t\t\tdocument.removeEventListener( 'mouseup', endDrag );\n\t\t\t}\n\t\t};\n\t}, [ isDragging ] );\n\n\treturn {\n\t\tstartDrag,\n\t\tendDrag,\n\t\tisDragging,\n\t};\n}\n"],"mappings":";;;;;;;AAGA,IAAAA,QAAA,GAAAC,OAAA;AAKA,IAAAC,0BAAA,GAAAC,sBAAA,CAAAF,OAAA;AARA;AACA;AACA;;AAGA;AACA;AACA;;AAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACe,SAASG,WAAWA,CAAE;EAAEC,WAAW;EAAEC,UAAU;EAAEC;AAAU,CAAC,EAAG;EAC7E,MAAM,CAAEC,UAAU,EAAEC,aAAa,CAAE,GAAG,IAAAC,iBAAQ,EAAE,KAAM,CAAC;EAEvD,MAAMC,SAAS,GAAG,IAAAC,eAAM,EAAE;IACzBP,WAAW;IACXC,UAAU;IACVC;EACD,CAAE,CAAC;EACH,IAAAM,kCAAyB,EAAE,MAAM;IAChCF,SAAS,CAACG,OAAO,CAACT,WAAW,GAAGA,WAAW;IAC3CM,SAAS,CAACG,OAAO,CAACR,UAAU,GAAGA,UAAU;IACzCK,SAAS,CAACG,OAAO,CAACP,SAAS,GAAGA,SAAS;EACxC,CAAC,EAAE,CAAEF,WAAW,EAAEC,UAAU,EAAEC,SAAS,CAAG,CAAC;;EAE3C;EACA,MAAMQ,WAAW,GAAG,IAAAC,oBAAW,EAC5BC,KAAK,IACNN,SAAS,CAACG,OAAO,CAACR,UAAU,IAC5BK,SAAS,CAACG,OAAO,CAACR,UAAU,CAAEW,KAAM,CAAC,EACtC,EACD,CAAC;EACD;EACA,MAAMC,OAAO,GAAG,IAAAF,oBAAW,EAAIC,KAAK,IAAM;IACzC,IAAKN,SAAS,CAACG,OAAO,CAACP,SAAS,EAAG;MAClCI,SAAS,CAACG,OAAO,CAACP,SAAS,CAAEU,KAAM,CAAC;IACrC;IACAE,QAAQ,CAACC,mBAAmB,CAAE,WAAW,EAAEL,WAAY,CAAC;IACxDI,QAAQ,CAACC,mBAAmB,CAAE,SAAS,EAAEF,OAAQ,CAAC;IAClDT,aAAa,CAAE,KAAM,CAAC;EACvB,CAAC,EAAE,EAAG,CAAC;EACP;EACA,MAAMY,SAAS,GAAG,IAAAL,oBAAW,EAAIC,KAAK,IAAM;IAC3C,IAAKN,SAAS,CAACG,OAAO,CAACT,WAAW,EAAG;MACpCM,SAAS,CAACG,OAAO,CAACT,WAAW,CAAEY,KAAM,CAAC;IACvC;IACAE,QAAQ,CAACG,gBAAgB,CAAE,WAAW,EAAEP,WAAY,CAAC;IACrDI,QAAQ,CAACG,gBAAgB,CAAE,SAAS,EAAEJ,OAAQ,CAAC;IAC/CT,aAAa,CAAE,IAAK,CAAC;EACtB,CAAC,EAAE,EAAG,CAAC;;EAEP;EACA,IAAAc,kBAAS,EAAE,MAAM;IAChB,OAAO,MAAM;MACZ,IAAKf,UAAU,EAAG;QACjBW,QAAQ,CAACC,mBAAmB,CAAE,WAAW,EAAEL,WAAY,CAAC;QACxDI,QAAQ,CAACC,mBAAmB,CAAE,SAAS,EAAEF,OAAQ,CAAC;MACnD;IACD,CAAC;EACF,CAAC,EAAE,CAAEV,UAAU,CAAG,CAAC;EAEnB,OAAO;IACNa,SAAS;IACTH,OAAO;IACPV;EACD,CAAC;AACF","ignoreList":[]}