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/external-link/index.native.js

@@ -0,0 +1,25 @@
+import { createElement } from "react";
+/**
+ * External dependencies
+ */
+
+import { TouchableOpacity, Text, Linking } from 'react-native';
+
+/**
+ * WordPress dependencies
+ */
+import { __ } from '@wordpress/i18n';
+import { external, Icon } from '@wordpress/icons';
+export function ExternalLink({
+  href,
+  children
+}) {
+  return createElement(TouchableOpacity, {
+    onPress: () => Linking.openURL(href),
+    accessibilityLabel: __('Open link in a browser')
+  }, createElement(Text, null, children), createElement(Icon, {
+    icon: external
+  }));
+}
+export default ExternalLink;
+//# sourceMappingURL=index.native.js.map