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-select-control/index.native.js

@@ -0,0 +1,95 @@
+"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 _i18n = require("@wordpress/i18n");
+var _components = require("@wordpress/components");
+var _style = _interopRequireDefault(require("./style.scss"));
+/**
+ * External dependencies
+ */
+
+/**
+ * WordPress dependencies
+ */
+
+/**
+ * Internal dependencies
+ */
+
+const BottomSheetSelectControl = ({
+  label,
+  icon,
+  options: items,
+  onChange,
+  value: selectedValue,
+  disabled
+}) => {
+  const [showSubSheet, setShowSubSheet] = (0, _element.useState)(false);
+  const navigation = (0, _native.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(_components.BottomSheet.SubSheet.screenName);
+    setShowSubSheet(true);
+  };
+  return (0, _react.createElement)(_components.BottomSheet.SubSheet, {
+    navigationButton: (0, _react.createElement)(_components.BottomSheet.Cell, {
+      label: label,
+      separatorType: "none",
+      icon: icon,
+      value: selectedOption.label,
+      onPress: openSubSheet,
+      accessibilityRole: 'button',
+      accessibilityLabel: (0, _i18n.sprintf)(
+      // translators:  %1$s: Select control button label e.g. "Button width". %2$s: Select control option value e.g: "Auto, 25%".
+      (0, _i18n.__)('%1$s. Currently selected: %2$s'), label, selectedOption.label),
+      accessibilityHint: (0, _i18n.sprintf)(
+      // translators: %s: Select control button label e.g. "Button width"
+      (0, _i18n.__)('Navigates to select %s'), label),
+      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)(_reactNative.View, {
+    style: _style.default.selectControl
+  }, items.map((item, index) => (0, _react.createElement)(_components.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 ? (0, _i18n.sprintf)(
+    // translators: %s: Select control option value e.g: "Auto, 25%".
+    (0, _i18n.__)('Selected: %s'), item.label) : item.label,
+    accessibilityHint: (0, _i18n.__)('Double tap to select')
+  }, item.value === selectedValue && (0, _react.createElement)(_icons.Icon, {
+    icon: _icons.check
+  }))))));
+};
+var _default = BottomSheetSelectControl;
+exports.default = _default;
+//# sourceMappingURL=index.native.js.map