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/core-js/es/number/constructor.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.constructor');
+var path = require('../../internals/path');
+
+module.exports = path.Number;

node_modules/core-js/es/number/epsilon.js

@@ -0,0 +1,4 @@
+'use strict';
+require('../../modules/es.number.epsilon');
+
+module.exports = Math.pow(2, -52);

node_modules/core-js/es/number/index.js

@@ -0,0 +1,17 @@
+'use strict';
+require('../../modules/es.number.constructor');
+require('../../modules/es.number.epsilon');
+require('../../modules/es.number.is-finite');
+require('../../modules/es.number.is-integer');
+require('../../modules/es.number.is-nan');
+require('../../modules/es.number.is-safe-integer');
+require('../../modules/es.number.max-safe-integer');
+require('../../modules/es.number.min-safe-integer');
+require('../../modules/es.number.parse-float');
+require('../../modules/es.number.parse-int');
+require('../../modules/es.number.to-exponential');
+require('../../modules/es.number.to-fixed');
+require('../../modules/es.number.to-precision');
+var path = require('../../internals/path');
+
+module.exports = path.Number;

node_modules/core-js/es/number/is-finite.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.is-finite');
+var path = require('../../internals/path');
+
+module.exports = path.Number.isFinite;

node_modules/core-js/es/number/is-integer.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.is-integer');
+var path = require('../../internals/path');
+
+module.exports = path.Number.isInteger;

node_modules/core-js/es/number/is-nan.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.is-nan');
+var path = require('../../internals/path');
+
+module.exports = path.Number.isNaN;

node_modules/core-js/es/number/is-safe-integer.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.is-safe-integer');
+var path = require('../../internals/path');
+
+module.exports = path.Number.isSafeInteger;

node_modules/core-js/es/number/max-safe-integer.js

@@ -0,0 +1,4 @@
+'use strict';
+require('../../modules/es.number.max-safe-integer');
+
+module.exports = 0x1FFFFFFFFFFFFF;

node_modules/core-js/es/number/min-safe-integer.js

@@ -0,0 +1,4 @@
+'use strict';
+require('../../modules/es.number.min-safe-integer');
+
+module.exports = -0x1FFFFFFFFFFFFF;

node_modules/core-js/es/number/parse-float.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.parse-float');
+var path = require('../../internals/path');
+
+module.exports = path.Number.parseFloat;

node_modules/core-js/es/number/parse-int.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.parse-int');
+var path = require('../../internals/path');
+
+module.exports = path.Number.parseInt;

node_modules/core-js/es/number/to-exponential.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.to-exponential');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('Number', 'toExponential');

node_modules/core-js/es/number/to-fixed.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.to-fixed');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('Number', 'toFixed');

node_modules/core-js/es/number/to-precision.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../modules/es.number.to-precision');
+var entryUnbind = require('../../internals/entry-unbind');
+
+module.exports = entryUnbind('Number', 'toPrecision');

node_modules/core-js/es/number/virtual/index.js

@@ -0,0 +1,7 @@
+'use strict';
+require('../../../modules/es.number.to-exponential');
+require('../../../modules/es.number.to-fixed');
+require('../../../modules/es.number.to-precision');
+var entryVirtual = require('../../../internals/entry-virtual');
+
+module.exports = entryVirtual('Number');

node_modules/core-js/es/number/virtual/to-exponential.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../../modules/es.number.to-exponential');
+var getBuiltInPrototypeMethod = require('../../../internals/get-built-in-prototype-method');
+
+module.exports = getBuiltInPrototypeMethod('Number', 'toExponential');

node_modules/core-js/es/number/virtual/to-fixed.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../../modules/es.number.to-fixed');
+var getBuiltInPrototypeMethod = require('../../../internals/get-built-in-prototype-method');
+
+module.exports = getBuiltInPrototypeMethod('Number', 'toFixed');

node_modules/core-js/es/number/virtual/to-precision.js

@@ -0,0 +1,5 @@
+'use strict';
+require('../../../modules/es.number.to-precision');
+var getBuiltInPrototypeMethod = require('../../../internals/get-built-in-prototype-method');
+
+module.exports = getBuiltInPrototypeMethod('Number', 'toPrecision');