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-module/card/card-media/component.js

@@ -0,0 +1,41 @@
+import { createElement } from "react";
+/**
+ * External dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+import { contextConnect } from '../../context';
+import { View } from '../../view';
+import { useCardMedia } from './hook';
+function UnconnectedCardMedia(props, forwardedRef) {
+  const cardMediaProps = useCardMedia(props);
+  return createElement(View, {
+    ...cardMediaProps,
+    ref: forwardedRef
+  });
+}
+
+/**
+ * `CardMedia` provides a container for full-bleed content within a `Card`,
+ * such as images, video, or even just a background color.
+ *
+ * @example
+ * ```jsx
+ * import { Card, CardBody, CardMedia } from '@wordpress/components';
+ *
+ * const Example = () => (
+ *  <Card>
+ *	  <CardMedia>
+ *		  <img src="..." />
+ *    </CardMedia>
+ *    <CardBody>...</CardBody>
+ *  </Card>
+ * );
+ * ```
+ */
+export const CardMedia = contextConnect(UnconnectedCardMedia, 'CardMedia');
+export default CardMedia;
+//# sourceMappingURL=component.js.map

node_modules/@wordpress/components/build-module/card/card-media/component.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["contextConnect","View","useCardMedia","UnconnectedCardMedia","props","forwardedRef","cardMediaProps","createElement","ref","CardMedia"],"sources":["@wordpress/components/src/card/card-media/component.tsx"],"sourcesContent":["/**\n * External dependencies\n */\nimport type { ForwardedRef } from 'react';\n\n/**\n * Internal dependencies\n */\nimport type { WordPressComponentProps } from '../../context';\nimport { contextConnect } from '../../context';\nimport { View } from '../../view';\nimport { useCardMedia } from './hook';\nimport type { MediaProps } from '../types';\n\nfunction UnconnectedCardMedia(\n\tprops: WordPressComponentProps< MediaProps, 'div' >,\n\tforwardedRef: ForwardedRef< any >\n) {\n\tconst cardMediaProps = useCardMedia( props );\n\n\treturn <View { ...cardMediaProps } ref={ forwardedRef } />;\n}\n\n/**\n * `CardMedia` provides a container for full-bleed content within a `Card`,\n * such as images, video, or even just a background color.\n *\n * @example\n * ```jsx\n * import { Card, CardBody, CardMedia } from '@wordpress/components';\n *\n * const Example = () => (\n *  <Card>\n *\t  <CardMedia>\n *\t\t  <img src=\"...\" />\n *    </CardMedia>\n *    <CardBody>...</CardBody>\n *  </Card>\n * );\n * ```\n */\nexport const CardMedia = contextConnect( UnconnectedCardMedia, 'CardMedia' );\n\nexport default CardMedia;\n"],"mappings":";AAAA;AACA;AACA;;AAGA;AACA;AACA;;AAEA,SAASA,cAAc,QAAQ,eAAe;AAC9C,SAASC,IAAI,QAAQ,YAAY;AACjC,SAASC,YAAY,QAAQ,QAAQ;AAGrC,SAASC,oBAAoBA,CAC5BC,KAAmD,EACnDC,YAAiC,EAChC;EACD,MAAMC,cAAc,GAAGJ,YAAY,CAAEE,KAAM,CAAC;EAE5C,OAAOG,aAAA,CAACN,IAAI;IAAA,GAAMK,cAAc;IAAGE,GAAG,EAAGH;EAAc,CAAE,CAAC;AAC3D;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,OAAO,MAAMI,SAAS,GAAGT,cAAc,CAAEG,oBAAoB,EAAE,WAAY,CAAC;AAE5E,eAAeM,SAAS"}

node_modules/@wordpress/components/build-module/card/card-media/hook.js

@@ -0,0 +1,27 @@
+/**
+ * WordPress dependencies
+ */
+import { useMemo } from '@wordpress/element';
+
+/**
+ * Internal dependencies
+ */
+
+import { useContextSystem } from '../../context';
+import * as styles from '../styles';
+import { useCx } from '../../utils/hooks/use-cx';
+export function useCardMedia(props) {
+  const {
+    className,
+    ...otherProps
+  } = useContextSystem(props, 'CardMedia');
+  const cx = useCx();
+  const classes = useMemo(() => cx(styles.Media, styles.borderRadius,
+  // This classname is added for legacy compatibility reasons.
+  'components-card__media', className), [className, cx]);
+  return {
+    ...otherProps,
+    className: classes
+  };
+}
+//# sourceMappingURL=hook.js.map

node_modules/@wordpress/components/build-module/card/card-media/hook.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["useMemo","useContextSystem","styles","useCx","useCardMedia","props","className","otherProps","cx","classes","Media","borderRadius"],"sources":["@wordpress/components/src/card/card-media/hook.ts"],"sourcesContent":["/**\n * WordPress dependencies\n */\nimport { useMemo } from '@wordpress/element';\n\n/**\n * Internal dependencies\n */\nimport type { WordPressComponentProps } from '../../context';\nimport { useContextSystem } from '../../context';\nimport * as styles from '../styles';\nimport { useCx } from '../../utils/hooks/use-cx';\nimport type { MediaProps } from '../types';\n\nexport function useCardMedia(\n\tprops: WordPressComponentProps< MediaProps, 'div' >\n) {\n\tconst { className, ...otherProps } = useContextSystem( props, 'CardMedia' );\n\n\tconst cx = useCx();\n\n\tconst classes = useMemo(\n\t\t() =>\n\t\t\tcx(\n\t\t\t\tstyles.Media,\n\t\t\t\tstyles.borderRadius,\n\t\t\t\t// This classname is added for legacy compatibility reasons.\n\t\t\t\t'components-card__media',\n\t\t\t\tclassName\n\t\t\t),\n\t\t[ className, cx ]\n\t);\n\n\treturn {\n\t\t...otherProps,\n\t\tclassName: classes,\n\t};\n}\n"],"mappings":"AAAA;AACA;AACA;AACA,SAASA,OAAO,QAAQ,oBAAoB;;AAE5C;AACA;AACA;;AAEA,SAASC,gBAAgB,QAAQ,eAAe;AAChD,OAAO,KAAKC,MAAM,MAAM,WAAW;AACnC,SAASC,KAAK,QAAQ,0BAA0B;AAGhD,OAAO,SAASC,YAAYA,CAC3BC,KAAmD,EAClD;EACD,MAAM;IAAEC,SAAS;IAAE,GAAGC;EAAW,CAAC,GAAGN,gBAAgB,CAAEI,KAAK,EAAE,WAAY,CAAC;EAE3E,MAAMG,EAAE,GAAGL,KAAK,CAAC,CAAC;EAElB,MAAMM,OAAO,GAAGT,OAAO,CACtB,MACCQ,EAAE,CACDN,MAAM,CAACQ,KAAK,EACZR,MAAM,CAACS,YAAY;EACnB;EACA,wBAAwB,EACxBL,SACD,CAAC,EACF,CAAEA,SAAS,EAAEE,EAAE,CAChB,CAAC;EAED,OAAO;IACN,GAAGD,UAAU;IACbD,SAAS,EAAEG;EACZ,CAAC;AACF"}

node_modules/@wordpress/components/build-module/card/card-media/index.js

@@ -0,0 +1,3 @@
+export { default } from './component';
+export { useCardMedia } from './hook';
+//# sourceMappingURL=index.js.map

node_modules/@wordpress/components/build-module/card/card-media/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["default","useCardMedia"],"sources":["@wordpress/components/src/card/card-media/index.ts"],"sourcesContent":["export { default } from './component';\nexport { useCardMedia } from './hook';\n"],"mappings":"AAAA,SAASA,OAAO,QAAQ,aAAa;AACrC,SAASC,YAAY,QAAQ,QAAQ"}