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/mobile/bottom-sheet-text-control/index.native.js

@@ -0,0 +1,84 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _react = require("react");
+var _reactNative = require("react-native");
+var _native = require("@react-navigation/native");
+var _element = require("@wordpress/element");
+var _icons = require("@wordpress/icons");
+var _compose = require("@wordpress/compose");
+var _components = require("@wordpress/components");
+var _styles = _interopRequireDefault(require("./styles.scss"));
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+const BottomSheetTextControl = ({
+  initialValue,
+  onChange,
+  placeholder,
+  label,
+  icon,
+  footerNote,
+  cellPlaceholder,
+  disabled
+}) => {
+  const [showSubSheet, setShowSubSheet] = (0, _element.useState)(false);
+  const navigation = (0, _native.useNavigation)();
+  const goBack = () => {
+    setShowSubSheet(false);
+    navigation.goBack();
+  };
+  const openSubSheet = () => {
+    navigation.navigate(_components.BottomSheet.SubSheet.screenName);
+    setShowSubSheet(true);
+  };
+  const horizontalBorderStyle = (0, _compose.usePreferredColorSchemeStyle)(_styles.default.horizontalBorder, _styles.default.horizontalBorderDark);
+  const textEditorStyle = (0, _compose.usePreferredColorSchemeStyle)(_styles.default.textEditor, _styles.default.textEditorDark);
+  return (0, _react.createElement)(_components.BottomSheet.SubSheet, {
+    navigationButton: (0, _react.createElement)(_components.BottomSheet.Cell, {
+      icon: icon,
+      label: label,
+      onPress: openSubSheet,
+      value: initialValue || '',
+      placeholder: cellPlaceholder || placeholder || '',
+      disabled: disabled
+    }, disabled ? null : (0, _react.createElement)(_icons.Icon, {
+      icon: _icons.chevronRight
+    })),
+    showSheet: showSubSheet
+  }, (0, _react.createElement)(_react.Fragment, null, (0, _react.createElement)(_components.BottomSheet.NavBar, null, (0, _react.createElement)(_components.BottomSheet.NavBar.BackButton, {
+    onPress: goBack
+  }), (0, _react.createElement)(_components.BottomSheet.NavBar.Heading, null, label)), (0, _react.createElement)(_components.PanelBody, {
+    style: horizontalBorderStyle
+  }, (0, _react.createElement)(_reactNative.TextInput, {
+    label: label,
+    onChangeText: text => onChange(text),
+    defaultValue: initialValue,
+    multiline: true,
+    placeholder: placeholder,
+    placeholderTextColor: '#87a6bc',
+    style: textEditorStyle,
+    textAlignVertical: 'top'
+  }))), footerNote && (0, _react.createElement)(_components.PanelBody, {
+    style: _styles.default.textFooternote
+  }, (0, _react.createElement)(_components.FooterMessageControl, {
+    label: footerNote,
+    textAlign: "left"
+  })));
+};
+var _default = BottomSheetTextControl;
+exports.default = _default;
+//# sourceMappingURL=index.native.js.map