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/Combobox/Combobox/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/Combobox",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/Combobox",
+  "module": "../../es/Combobox/Combobox",
+  "types": "../../ts/Combobox/Combobox"
+}

node_modules/reakit/Combobox/ComboboxGridCell/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxGridCell",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxGridCell",
+  "module": "../../es/Combobox/ComboboxGridCell",
+  "types": "../../ts/Combobox/ComboboxGridCell"
+}

node_modules/reakit/Combobox/ComboboxGridRow/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxGridRow",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxGridRow",
+  "module": "../../es/Combobox/ComboboxGridRow",
+  "types": "../../ts/Combobox/ComboboxGridRow"
+}

node_modules/reakit/Combobox/ComboboxGridState/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxGridState",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxGridState",
+  "module": "../../es/Combobox/ComboboxGridState",
+  "types": "../../ts/Combobox/ComboboxGridState"
+}

node_modules/reakit/Combobox/ComboboxItem/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxItem",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxItem",
+  "module": "../../es/Combobox/ComboboxItem",
+  "types": "../../ts/Combobox/ComboboxItem"
+}

node_modules/reakit/Combobox/ComboboxList/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxList",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxList",
+  "module": "../../es/Combobox/ComboboxList",
+  "types": "../../ts/Combobox/ComboboxList"
+}

node_modules/reakit/Combobox/ComboboxListGridState/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxListGridState",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxListGridState",
+  "module": "../../es/Combobox/ComboboxListGridState",
+  "types": "../../ts/Combobox/ComboboxListGridState"
+}

node_modules/reakit/Combobox/ComboboxListState/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxListState",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxListState",
+  "module": "../../es/Combobox/ComboboxListState",
+  "types": "../../ts/Combobox/ComboboxListState"
+}

node_modules/reakit/Combobox/ComboboxOption/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxOption",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxOption",
+  "module": "../../es/Combobox/ComboboxOption",
+  "types": "../../ts/Combobox/ComboboxOption"
+}

node_modules/reakit/Combobox/ComboboxPopover/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxPopover",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxPopover",
+  "module": "../../es/Combobox/ComboboxPopover",
+  "types": "../../ts/Combobox/ComboboxPopover"
+}

node_modules/reakit/Combobox/ComboboxState/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox/ComboboxState",
+  "private": true,
+  "sideEffects": false,
+  "main": "../../lib/Combobox/ComboboxState",
+  "module": "../../es/Combobox/ComboboxState",
+  "types": "../../ts/Combobox/ComboboxState"
+}

node_modules/reakit/Combobox/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "reakit/Combobox",
+  "private": true,
+  "sideEffects": false,
+  "main": "../lib/Combobox",
+  "module": "../es/Combobox",
+  "types": "../ts/Combobox"
+}