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/reakit/es/Tooltip/TooltipReference.js

@@ -0,0 +1,71 @@
+import { _ as _objectWithoutPropertiesLoose, a as _objectSpread2 } from '../_rollupPluginBabelHelpers-1f0bf8c2.js';
+import { createComponent } from 'reakit-system/createComponent';
+import { createHook } from 'reakit-system/createHook';
+import 'reakit-utils/shallowEqual';
+import { useCallback } from 'react';
+import { useForkRef } from 'reakit-utils/useForkRef';
+import { useLiveRef } from 'reakit-utils/useLiveRef';
+import { useRole } from '../Role/Role.js';
+import { b as TOOLTIP_REFERENCE_KEYS } from '../__keys-d101cb3b.js';
+
+var useTooltipReference = createHook({
+  name: "TooltipReference",
+  compose: useRole,
+  keys: TOOLTIP_REFERENCE_KEYS,
+  useProps: function useProps(options, _ref) {
+    var htmlRef = _ref.ref,
+        htmlOnFocus = _ref.onFocus,
+        htmlOnBlur = _ref.onBlur,
+        htmlOnMouseEnter = _ref.onMouseEnter,
+        htmlOnMouseLeave = _ref.onMouseLeave,
+        htmlProps = _objectWithoutPropertiesLoose(_ref, ["ref", "onFocus", "onBlur", "onMouseEnter", "onMouseLeave"]);
+
+    var onFocusRef = useLiveRef(htmlOnFocus);
+    var onBlurRef = useLiveRef(htmlOnBlur);
+    var onMouseEnterRef = useLiveRef(htmlOnMouseEnter);
+    var onMouseLeaveRef = useLiveRef(htmlOnMouseLeave);
+    var onFocus = useCallback(function (event) {
+      var _onFocusRef$current, _options$show;
+
+      (_onFocusRef$current = onFocusRef.current) === null || _onFocusRef$current === void 0 ? void 0 : _onFocusRef$current.call(onFocusRef, event);
+      if (event.defaultPrevented) return;
+      (_options$show = options.show) === null || _options$show === void 0 ? void 0 : _options$show.call(options);
+    }, [options.show]);
+    var onBlur = useCallback(function (event) {
+      var _onBlurRef$current, _options$hide;
+
+      (_onBlurRef$current = onBlurRef.current) === null || _onBlurRef$current === void 0 ? void 0 : _onBlurRef$current.call(onBlurRef, event);
+      if (event.defaultPrevented) return;
+      (_options$hide = options.hide) === null || _options$hide === void 0 ? void 0 : _options$hide.call(options);
+    }, [options.hide]);
+    var onMouseEnter = useCallback(function (event) {
+      var _onMouseEnterRef$curr, _options$show2;
+
+      (_onMouseEnterRef$curr = onMouseEnterRef.current) === null || _onMouseEnterRef$curr === void 0 ? void 0 : _onMouseEnterRef$curr.call(onMouseEnterRef, event);
+      if (event.defaultPrevented) return;
+      (_options$show2 = options.show) === null || _options$show2 === void 0 ? void 0 : _options$show2.call(options);
+    }, [options.show]);
+    var onMouseLeave = useCallback(function (event) {
+      var _onMouseLeaveRef$curr, _options$hide2;
+
+      (_onMouseLeaveRef$curr = onMouseLeaveRef.current) === null || _onMouseLeaveRef$curr === void 0 ? void 0 : _onMouseLeaveRef$curr.call(onMouseLeaveRef, event);
+      if (event.defaultPrevented) return;
+      (_options$hide2 = options.hide) === null || _options$hide2 === void 0 ? void 0 : _options$hide2.call(options);
+    }, [options.hide]);
+    return _objectSpread2({
+      ref: useForkRef(options.unstable_referenceRef, htmlRef),
+      tabIndex: 0,
+      onFocus: onFocus,
+      onBlur: onBlur,
+      onMouseEnter: onMouseEnter,
+      onMouseLeave: onMouseLeave,
+      "aria-describedby": options.baseId
+    }, htmlProps);
+  }
+});
+var TooltipReference = createComponent({
+  as: "div",
+  useHook: useTooltipReference
+});
+
+export { TooltipReference, useTooltipReference };