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/@sentry/node/esm/client.d.ts

@@ -0,0 +1,44 @@
+import { BaseClient, Scope } from '@sentry/core';
+import { SessionFlusher } from '@sentry/hub';
+import { Event, EventHint } from '@sentry/types';
+import { NodeBackend } from './backend';
+import { NodeOptions } from './types';
+/**
+ * The Sentry Node SDK Client.
+ *
+ * @see NodeOptions for documentation on configuration options.
+ * @see SentryClient for usage documentation.
+ */
+export declare class NodeClient extends BaseClient<NodeBackend, NodeOptions> {
+    protected _sessionFlusher: SessionFlusher | undefined;
+    /**
+     * Creates a new Node SDK instance.
+     * @param options Configuration options for this SDK.
+     */
+    constructor(options: NodeOptions);
+    /**
+     * @inheritDoc
+     */
+    captureException(exception: any, hint?: EventHint, scope?: Scope): string | undefined;
+    /**
+     * @inheritDoc
+     */
+    captureEvent(event: Event, hint?: EventHint, scope?: Scope): string | undefined;
+    /**
+     *
+     * @inheritdoc
+     */
+    close(timeout?: number): PromiseLike<boolean>;
+    /** Method that initialises an instance of SessionFlusher on Client */
+    initSessionFlusher(): void;
+    /**
+     * @inheritDoc
+     */
+    protected _prepareEvent(event: Event, scope?: Scope, hint?: EventHint): PromiseLike<Event | null>;
+    /**
+     * Method responsible for capturing/ending a request session by calling `incrementSessionStatusCount` to increment
+     * appropriate session aggregates bucket
+     */
+    protected _captureRequestSession(): void;
+}
+//# sourceMappingURL=client.d.ts.map