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/@use-gesture/core/utils/dist/use-gesture-core-utils.cjs.d.ts

@@ -0,0 +1,2 @@
+export * from "../../dist/declarations/src/utils";
+//# sourceMappingURL=use-gesture-core-utils.cjs.d.ts.map

node_modules/@use-gesture/core/utils/dist/use-gesture-core-utils.cjs.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"use-gesture-core-utils.cjs.d.ts","sourceRoot":"","sources":["../../dist/declarations/src/utils.d.ts"],"names":[],"mappings":"AAAA"}

node_modules/@use-gesture/core/utils/dist/use-gesture-core-utils.cjs.dev.js

@@ -0,0 +1,9 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var maths = require('../../dist/maths-267f0992.cjs.dev.js');
+
+
+
+exports.rubberbandIfOutOfBounds = maths.rubberbandIfOutOfBounds;

node_modules/@use-gesture/core/utils/dist/use-gesture-core-utils.cjs.js

@@ -0,0 +1,7 @@
+'use strict';
+
+if (process.env.NODE_ENV === "production") {
+  module.exports = require("./use-gesture-core-utils.cjs.prod.js");
+} else {
+  module.exports = require("./use-gesture-core-utils.cjs.dev.js");
+}

node_modules/@use-gesture/core/utils/dist/use-gesture-core-utils.cjs.prod.js

@@ -0,0 +1,9 @@
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var maths = require('../../dist/maths-83bc6f64.cjs.prod.js');
+
+
+
+exports.rubberbandIfOutOfBounds = maths.rubberbandIfOutOfBounds;

node_modules/@use-gesture/core/utils/dist/use-gesture-core-utils.esm.js

@@ -0,0 +1 @@
+export { r as rubberbandIfOutOfBounds } from '../../dist/maths-0ab39ae9.esm.js';

node_modules/@use-gesture/core/utils/package.json

@@ -0,0 +1,4 @@
+{
+  "main": "dist/use-gesture-core-utils.cjs.js",
+  "module": "dist/use-gesture-core-utils.esm.js"
+}