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/picker/index.android.js

@@ -0,0 +1,102 @@
+"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 _i18n = require("@wordpress/i18n");
+var _element = require("@wordpress/element");
+var _compose = require("@wordpress/compose");
+var _components = require("@wordpress/components");
+var _bottomSheet = _interopRequireDefault(require("../bottom-sheet"));
+var _styles = _interopRequireDefault(require("./styles.scss"));
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+function Separator() {
+  const separatorStyle = (0, _compose.usePreferredColorSchemeStyle)(_styles.default['components-picker__separator'], _styles.default['components-picker__separator--dark']);
+  return (0, _react.createElement)(_reactNative.View, {
+    style: separatorStyle
+  });
+}
+class Picker extends _element.Component {
+  constructor() {
+    super(...arguments);
+    this.onClose = this.onClose.bind(this);
+    this.onCellPress = this.onCellPress.bind(this);
+    this.state = {
+      isVisible: false
+    };
+  }
+  presentPicker() {
+    this.setState({
+      isVisible: true
+    });
+  }
+  onClose() {
+    this.setState({
+      isVisible: false
+    });
+  }
+  onCellPress(value) {
+    const {
+      onChange
+    } = this.props;
+    onChange(value);
+    this.onClose();
+  }
+  getOptions() {
+    const {
+      options,
+      leftAlign
+    } = this.props;
+    return options.map(option => (0, _react.createElement)(_element.Fragment, {
+      key: `${option.label}-${option.value}`
+    }, options.length > 1 && option.separated && (0, _react.createElement)(Separator, null), (0, _react.createElement)(_bottomSheet.default.Cell, {
+      icon: option.icon,
+      leftAlign: leftAlign,
+      label: option.label,
+      separatorType: 'none',
+      onPress: () => this.onCellPress(option.value),
+      disabled: option.disabled,
+      style: option.disabled && _styles.default['components-picker__button--disabled']
+    })));
+  }
+  render() {
+    const {
+      hideCancelButton,
+      title,
+      testID
+    } = this.props;
+    const {
+      isVisible
+    } = this.state;
+    return (0, _react.createElement)(_bottomSheet.default, {
+      isVisible: isVisible,
+      onClose: this.onClose,
+      hideHeader: true,
+      testID: testID
+    }, (0, _react.createElement)(_components.PanelBody, {
+      title: title,
+      style: _styles.default['components-picker__panel']
+    }, this.getOptions(), !hideCancelButton && (0, _react.createElement)(_components.TextControl, {
+      label: (0, _i18n.__)('Cancel'),
+      onPress: this.onClose,
+      separatorType: 'none'
+    })));
+  }
+}
+exports.default = Picker;
+//# sourceMappingURL=index.android.js.map

node_modules/@wordpress/components/build/mobile/picker/index.ios.js

@@ -0,0 +1,94 @@
+"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 _i18n = require("@wordpress/i18n");
+var _element = require("@wordpress/element");
+var _data = require("@wordpress/data");
+var _components = require("@wordpress/components");
+var _compose = require("@wordpress/compose");
+var _styles = _interopRequireDefault(require("./styles.scss"));
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+class Picker extends _element.Component {
+  presentPicker() {
+    const {
+      options,
+      onChange,
+      title,
+      destructiveButtonIndex,
+      disabledButtonIndices,
+      getAnchor,
+      isBottomSheetOpened,
+      closeBottomSheet,
+      onHandleClosingBottomSheet,
+      colorScheme
+    } = this.props;
+    const labels = options.map(({
+      label
+    }) => label);
+    const fullOptions = [(0, _i18n.__)('Cancel')].concat(labels);
+    const buttonTitleColor = colorScheme === 'light' ? _styles.default['components-picker__button-title'].color : _styles.default['components-picker__button-title--dark'].color;
+    _reactNative.ActionSheetIOS.showActionSheetWithOptions({
+      title,
+      options: fullOptions,
+      cancelButtonIndex: 0,
+      destructiveButtonIndex,
+      disabledButtonIndices,
+      anchor: getAnchor && getAnchor(),
+      tintColor: buttonTitleColor
+    }, buttonIndex => {
+      if (buttonIndex === 0) {
+        return;
+      }
+      const selected = options[buttonIndex - 1];
+      if (selected.requiresModal && isBottomSheetOpened) {
+        onHandleClosingBottomSheet(() => {
+          onChange(selected.value);
+        });
+        closeBottomSheet();
+      } else {
+        onChange(selected.value);
+      }
+    });
+  }
+  render() {
+    return null;
+  }
+}
+const PickerComponent = (0, _element.forwardRef)((props, ref) => {
+  const isBottomSheetOpened = (0, _data.useSelect)(select => select('core/edit-post').isEditorSidebarOpened());
+  const {
+    closeGeneralSidebar
+  } = (0, _data.useDispatch)('core/edit-post');
+  const {
+    onHandleClosingBottomSheet
+  } = (0, _element.useContext)(_components.BottomSheetContext);
+  const colorScheme = (0, _compose.usePreferredColorScheme)();
+  return (0, _react.createElement)(Picker, {
+    ref: ref,
+    ...props,
+    isBottomSheetOpened: isBottomSheetOpened,
+    closeBottomSheet: closeGeneralSidebar,
+    onHandleClosingBottomSheet: onHandleClosingBottomSheet,
+    colorScheme: colorScheme
+  });
+});
+var _default = PickerComponent;
+exports.default = _default;
+//# sourceMappingURL=index.ios.js.map