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/mobile/badge/index.native.js

@@ -0,0 +1,28 @@
+import { createElement, Fragment } from "react";
+/**
+ * External dependencies
+ */
+import { View, Text } from 'react-native';
+
+/**
+ * WordPress dependencies
+ */
+import { withPreferredColorScheme } from '@wordpress/compose';
+
+/**
+ * Internal dependencies
+ */
+import styles from './style.scss';
+const Badge = ({
+  label,
+  children,
+  show = true
+}) => {
+  return createElement(Fragment, null, children, createElement(View, {
+    style: styles.badgeContainer
+  }, show && createElement(Text, {
+    style: styles.badge
+  }, label)));
+};
+export default withPreferredColorScheme(Badge);
+//# sourceMappingURL=index.native.js.map

node_modules/@wordpress/components/build-module/mobile/badge/index.native.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["View","Text","withPreferredColorScheme","styles","Badge","label","children","show","createElement","Fragment","style","badgeContainer","badge"],"sources":["@wordpress/components/src/mobile/badge/index.native.js"],"sourcesContent":["/**\n * External dependencies\n */\nimport { View, Text } from 'react-native';\n\n/**\n * WordPress dependencies\n */\nimport { withPreferredColorScheme } from '@wordpress/compose';\n\n/**\n * Internal dependencies\n */\nimport styles from './style.scss';\n\nconst Badge = ( { label, children, show = true } ) => {\n\treturn (\n\t\t<>\n\t\t\t{ children }\n\t\t\t<View style={ styles.badgeContainer }>\n\t\t\t\t{ show && <Text style={ styles.badge }>{ label }</Text> }\n\t\t\t</View>\n\t\t</>\n\t);\n};\n\nexport default withPreferredColorScheme( Badge );\n"],"mappings":";AAAA;AACA;AACA;AACA,SAASA,IAAI,EAAEC,IAAI,QAAQ,cAAc;;AAEzC;AACA;AACA;AACA,SAASC,wBAAwB,QAAQ,oBAAoB;;AAE7D;AACA;AACA;AACA,OAAOC,MAAM,MAAM,cAAc;AAEjC,MAAMC,KAAK,GAAGA,CAAE;EAAEC,KAAK;EAAEC,QAAQ;EAAEC,IAAI,GAAG;AAAK,CAAC,KAAM;EACrD,OACCC,aAAA,CAAAC,QAAA,QACGH,QAAQ,EACVE,aAAA,CAACR,IAAI;IAACU,KAAK,EAAGP,MAAM,CAACQ;EAAgB,GAClCJ,IAAI,IAAIC,aAAA,CAACP,IAAI;IAACS,KAAK,EAAGP,MAAM,CAACS;EAAO,GAAGP,KAAa,CACjD,CACL,CAAC;AAEL,CAAC;AAED,eAAeH,wBAAwB,CAAEE,KAAM,CAAC"}