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/@babel/plugin-transform-duplicate-named-capturing-groups-regex/lib/index.js

@@ -0,0 +1,26 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _helperCreateRegexpFeaturesPlugin = require("@babel/helper-create-regexp-features-plugin");
+var _helperPluginUtils = require("@babel/helper-plugin-utils");
+var _default = exports.default = (0, _helperPluginUtils.declare)((api, options) => {
+  api.assertVersion("^7.19.0 || ^8.0.0-0 || >8.0.0-alpha <8.0.0-beta");
+  const {
+    runtime
+  } = options;
+  if (runtime !== undefined && typeof runtime !== "boolean") {
+    throw new Error("The 'runtime' option must be boolean");
+  }
+  return (0, _helperCreateRegexpFeaturesPlugin.createRegExpFeaturePlugin)({
+    name: "transform-duplicate-named-capturing-groups-regex",
+    feature: "duplicateNamedCaptureGroups",
+    options: {
+      runtime
+    }
+  });
+});
+
+//# sourceMappingURL=index.js.map

node_modules/@babel/plugin-transform-duplicate-named-capturing-groups-regex/lib/index.js.map

@@ -0,0 +1 @@
+{"version":3,"names":["_helperCreateRegexpFeaturesPlugin","require","_helperPluginUtils","_default","exports","default","declare","api","options","assertVersion","runtime","undefined","Error","createRegExpFeaturePlugin","name","feature"],"sources":["../src/index.ts"],"sourcesContent":["/* eslint-disable @babel/development/plugin-name */\nimport { createRegExpFeaturePlugin } from \"@babel/helper-create-regexp-features-plugin\";\nimport { declare } from \"@babel/helper-plugin-utils\";\n\nexport interface Options {\n  runtime?: boolean;\n}\n\nexport default declare((api, options: Options) => {\n  api.assertVersion(REQUIRED_VERSION(\"^7.19.0 || ^8.0.0-0\"));\n\n  const { runtime } = options;\n  if (runtime !== undefined && typeof runtime !== \"boolean\") {\n    throw new Error(\"The 'runtime' option must be boolean\");\n  }\n\n  return createRegExpFeaturePlugin({\n    name: \"transform-duplicate-named-capturing-groups-regex\",\n    feature: \"duplicateNamedCaptureGroups\",\n    options: { runtime },\n  });\n});\n"],"mappings":";;;;;;AACA,IAAAA,iCAAA,GAAAC,OAAA;AACA,IAAAC,kBAAA,GAAAD,OAAA;AAAqD,IAAAE,QAAA,GAAAC,OAAA,CAAAC,OAAA,GAMtC,IAAAC,0BAAO,EAAC,CAACC,GAAG,EAAEC,OAAgB,KAAK;EAChDD,GAAG,CAACE,aAAa,kDAAwC,CAAC;EAE1D,MAAM;IAAEC;EAAQ,CAAC,GAAGF,OAAO;EAC3B,IAAIE,OAAO,KAAKC,SAAS,IAAI,OAAOD,OAAO,KAAK,SAAS,EAAE;IACzD,MAAM,IAAIE,KAAK,CAAC,sCAAsC,CAAC;EACzD;EAEA,OAAO,IAAAC,2DAAyB,EAAC;IAC/BC,IAAI,EAAE,kDAAkD;IACxDC,OAAO,EAAE,6BAA6B;IACtCP,OAAO,EAAE;MAAEE;IAAQ;EACrB,CAAC,CAAC;AACJ,CAAC,CAAC","ignoreList":[]}