Merge remote-tracking branch '39535/issues/39513_fix-admin-grid-filter-backslash-escaping-issue' into comprs_jul

Author: engcom-Charlie

app/code/Magento/Ui/Component/Filters/Type/Input.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Ui\Component\Filters\Type;
 
@@ -74,7 +74,7 @@ protected function applyFilter(): void
                 $valueExpression = $filterConfig['valueExpression'] ?? null;
             }
             if ($conditionType === self::CONDITION_LIKE) {
-                $value = str_replace(['%', '_'], ['\%', '\_'], $value);
+                $value = str_replace(['\\', '%', '_'], ['\\\\', '\%', '\_'], $value);
                 $valueExpression = $valueExpression ?? '%%%s%%';
             }
             if ($valueExpression) {

app/code/Magento/Ui/Test/Unit/Component/Filters/Type/InputTest.php

@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2025 Adobe
+ * All Rights Reserved.
  */
 declare(strict_types=1);
 
@@ -172,7 +172,10 @@ public function testPrepare(array $data, array $filterData, ?array $expectedCond
     }
 
     /**
+     * SuppressWarnings was added due to the big size of data provider
+     *
      * @return array
+     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
      */
     public static function getPrepareDataProvider(): array
     {
@@ -221,6 +224,16 @@ public static function getPrepareDataProvider(): array
                     'setValue' => '%\%%',
                 ],
             ],
+            [
+                [
+                    'name' => 'test_date',
+                ],
+                ['test_date' => 'some\\value'],
+                [
+                    'setConditionType' => 'like',
+                    'setValue' => '%some\\\\value%',
+                ],
+            ],
             [
                 [
                     'name' => 'text_attr',