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/date-fns/locale/sl/_lib/localize/index.js

@@ -0,0 +1,128 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+var _index = _interopRequireDefault(require("../../../_lib/buildLocalizeFn/index.js"));
+var eraValues = {
+  narrow: ['pr. n. št.', 'po n. št.'],
+  abbreviated: ['pr. n. št.', 'po n. št.'],
+  wide: ['pred našim štetjem', 'po našem štetju']
+};
+var quarterValues = {
+  narrow: ['1', '2', '3', '4'],
+  abbreviated: ['1. čet.', '2. čet.', '3. čet.', '4. čet.'],
+  wide: ['1. četrtletje', '2. četrtletje', '3. četrtletje', '4. četrtletje']
+};
+var monthValues = {
+  narrow: ['j', 'f', 'm', 'a', 'm', 'j', 'j', 'a', 's', 'o', 'n', 'd'],
+  abbreviated: ['jan.', 'feb.', 'mar.', 'apr.', 'maj', 'jun.', 'jul.', 'avg.', 'sep.', 'okt.', 'nov.', 'dec.'],
+  wide: ['januar', 'februar', 'marec', 'april', 'maj', 'junij', 'julij', 'avgust', 'september', 'oktober', 'november', 'december']
+};
+var dayValues = {
+  narrow: ['n', 'p', 't', 's', 'č', 'p', 's'],
+  short: ['ned.', 'pon.', 'tor.', 'sre.', 'čet.', 'pet.', 'sob.'],
+  abbreviated: ['ned.', 'pon.', 'tor.', 'sre.', 'čet.', 'pet.', 'sob.'],
+  wide: ['nedelja', 'ponedeljek', 'torek', 'sreda', 'četrtek', 'petek', 'sobota']
+};
+var dayPeriodValues = {
+  narrow: {
+    am: 'd',
+    pm: 'p',
+    midnight: '24.00',
+    noon: '12.00',
+    morning: 'j',
+    afternoon: 'p',
+    evening: 'v',
+    night: 'n'
+  },
+  abbreviated: {
+    am: 'dop.',
+    pm: 'pop.',
+    midnight: 'poln.',
+    noon: 'pold.',
+    morning: 'jut.',
+    afternoon: 'pop.',
+    evening: 'več.',
+    night: 'noč'
+  },
+  wide: {
+    am: 'dop.',
+    pm: 'pop.',
+    midnight: 'polnoč',
+    noon: 'poldne',
+    morning: 'jutro',
+    afternoon: 'popoldne',
+    evening: 'večer',
+    night: 'noč'
+  }
+};
+var formattingDayPeriodValues = {
+  narrow: {
+    am: 'd',
+    pm: 'p',
+    midnight: '24.00',
+    noon: '12.00',
+    morning: 'zj',
+    afternoon: 'p',
+    evening: 'zv',
+    night: 'po'
+  },
+  abbreviated: {
+    am: 'dop.',
+    pm: 'pop.',
+    midnight: 'opoln.',
+    noon: 'opold.',
+    morning: 'zjut.',
+    afternoon: 'pop.',
+    evening: 'zveč.',
+    night: 'ponoči'
+  },
+  wide: {
+    am: 'dop.',
+    pm: 'pop.',
+    midnight: 'opolnoči',
+    noon: 'opoldne',
+    morning: 'zjutraj',
+    afternoon: 'popoldan',
+    evening: 'zvečer',
+    night: 'ponoči'
+  }
+};
+var ordinalNumber = function ordinalNumber(dirtyNumber, _options) {
+  var number = Number(dirtyNumber);
+  return number + '.';
+};
+var localize = {
+  ordinalNumber: ordinalNumber,
+  era: (0, _index.default)({
+    values: eraValues,
+    defaultWidth: 'wide'
+  }),
+  quarter: (0, _index.default)({
+    values: quarterValues,
+    defaultWidth: 'wide',
+    argumentCallback: function argumentCallback(quarter) {
+      return quarter - 1;
+    }
+  }),
+  month: (0, _index.default)({
+    values: monthValues,
+    defaultWidth: 'wide'
+  }),
+  day: (0, _index.default)({
+    values: dayValues,
+    defaultWidth: 'wide'
+  }),
+  dayPeriod: (0, _index.default)({
+    values: dayPeriodValues,
+    defaultWidth: 'wide',
+    formattingValues: formattingDayPeriodValues,
+    defaultFormattingWidth: 'wide'
+  })
+};
+var _default = localize;
+exports.default = _default;
+module.exports = exports.default;