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/bottom-sheet-select-control/index.native.js

@@ -0,0 +1,85 @@
+import { createElement, Fragment } from "react";
+/**
+ * External dependencies
+ */
+import { View } from 'react-native';
+
+/**
+ * WordPress dependencies
+ */
+import { useNavigation } from '@react-navigation/native';
+import { useState } from '@wordpress/element';
+import { Icon, chevronRight, check } from '@wordpress/icons';
+import { __, sprintf } from '@wordpress/i18n';
+import { BottomSheet } from '@wordpress/components';
+/**
+ * Internal dependencies
+ */
+import styles from './style.scss';
+const BottomSheetSelectControl = ({
+  label,
+  icon,
+  options: items,
+  onChange,
+  value: selectedValue,
+  disabled
+}) => {
+  const [showSubSheet, setShowSubSheet] = useState(false);
+  const navigation = useNavigation();
+  const onChangeValue = value => {
+    return () => {
+      goBack();
+      onChange(value);
+    };
+  };
+  const selectedOption = items.find(option => option.value === selectedValue);
+  const goBack = () => {
+    setShowSubSheet(false);
+    navigation.goBack();
+  };
+  const openSubSheet = () => {
+    navigation.navigate(BottomSheet.SubSheet.screenName);
+    setShowSubSheet(true);
+  };
+  return createElement(BottomSheet.SubSheet, {
+    navigationButton: createElement(BottomSheet.Cell, {
+      label: label,
+      separatorType: "none",
+      icon: icon,
+      value: selectedOption.label,
+      onPress: openSubSheet,
+      accessibilityRole: 'button',
+      accessibilityLabel: sprintf(
+      // translators:  %1$s: Select control button label e.g. "Button width". %2$s: Select control option value e.g: "Auto, 25%".
+      __('%1$s. Currently selected: %2$s'), label, selectedOption.label),
+      accessibilityHint: sprintf(
+      // translators: %s: Select control button label e.g. "Button width"
+      __('Navigates to select %s'), label),
+      disabled: disabled
+    }, disabled ? null : createElement(Icon, {
+      icon: chevronRight
+    })),
+    showSheet: showSubSheet
+  }, createElement(Fragment, null, createElement(BottomSheet.NavBar, null, createElement(BottomSheet.NavBar.BackButton, {
+    onPress: goBack
+  }), createElement(BottomSheet.NavBar.Heading, null, label)), createElement(View, {
+    style: styles.selectControl
+  }, items.map((item, index) => createElement(BottomSheet.Cell, {
+    customActionButton: true,
+    separatorType: "none",
+    label: item.label,
+    icon: item.icon,
+    onPress: onChangeValue(item.value),
+    leftAlign: true,
+    key: index,
+    accessibilityRole: 'button',
+    accessibilityLabel: item.value === selectedValue ? sprintf(
+    // translators: %s: Select control option value e.g: "Auto, 25%".
+    __('Selected: %s'), item.label) : item.label,
+    accessibilityHint: __('Double tap to select')
+  }, item.value === selectedValue && createElement(Icon, {
+    icon: check
+  }))))));
+};
+export default BottomSheetSelectControl;
+//# sourceMappingURL=index.native.js.map