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/@ariakit/react-core/hovercard/hovercard-anchor/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-anchor",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-anchor.cjs",
+  "module": "../../esm/hovercard/hovercard-anchor.js",
+  "types": "../../cjs/hovercard/hovercard-anchor.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-arrow/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-arrow",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-arrow.cjs",
+  "module": "../../esm/hovercard/hovercard-arrow.js",
+  "types": "../../cjs/hovercard/hovercard-arrow.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-context/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-context",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-context.cjs",
+  "module": "../../esm/hovercard/hovercard-context.js",
+  "types": "../../cjs/hovercard/hovercard-context.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-description/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-description",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-description.cjs",
+  "module": "../../esm/hovercard/hovercard-description.js",
+  "types": "../../cjs/hovercard/hovercard-description.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-disclosure/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-disclosure",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-disclosure.cjs",
+  "module": "../../esm/hovercard/hovercard-disclosure.js",
+  "types": "../../cjs/hovercard/hovercard-disclosure.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-dismiss/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-dismiss",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-dismiss.cjs",
+  "module": "../../esm/hovercard/hovercard-dismiss.js",
+  "types": "../../cjs/hovercard/hovercard-dismiss.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-heading/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-heading",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-heading.cjs",
+  "module": "../../esm/hovercard/hovercard-heading.js",
+  "types": "../../cjs/hovercard/hovercard-heading.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-provider/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-provider",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-provider.cjs",
+  "module": "../../esm/hovercard/hovercard-provider.js",
+  "types": "../../cjs/hovercard/hovercard-provider.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard-store/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard-store",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard-store.cjs",
+  "module": "../../esm/hovercard/hovercard-store.js",
+  "types": "../../cjs/hovercard/hovercard-store.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/hovercard/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/hovercard",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../cjs/hovercard/hovercard.cjs",
+  "module": "../../esm/hovercard/hovercard.js",
+  "types": "../../cjs/hovercard/hovercard.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/utils/debug-polygon/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/utils/debug-polygon",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../../cjs/hovercard/utils/debug-polygon.cjs",
+  "module": "../../../esm/hovercard/utils/debug-polygon.js",
+  "types": "../../../cjs/hovercard/utils/debug-polygon.d.ts"
+}

node_modules/@ariakit/react-core/hovercard/utils/polygon/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@ariakit/react-core/hovercard/utils/polygon",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../../cjs/hovercard/utils/polygon.cjs",
+  "module": "../../../esm/hovercard/utils/polygon.js",
+  "types": "../../../cjs/hovercard/utils/polygon.d.ts"
+}