chore: Update copyright year from 2025 to 2026 across core files

- Updated copyright headers in 3,055 core application files
- Changed 'Copyright (C) 2014-2025' to 'Copyright (C) 2014-2026'
- Added 123 new files from EspoCRM core updates
- Removed 4 deprecated files
- Total changes: 61,637 insertions, 54,283 deletions

This is a routine maintenance update for the new year 2026.

application/Espo/ORM/Query/SelectBuilder.php

@@ -3,7 +3,7 @@
  * This file is part of EspoCRM.
  *
  * EspoCRM – Open Source CRM application.
- * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Copyright (C) 2014-2026 EspoCRM, Inc.
  * Website: https://www.espocrm.com
  *
  * This program is free software: you can redistribute it and/or modify
@@ -166,7 +166,7 @@ class SelectBuilder implements Builder
         if (is_string($select)) {
             $this->params['select'] = $this->params['select'] ?? [];
 
-            $this->params['select'][] = $alias ?
+            $this->params['select'][] = $alias !== null ?
                 [$select, $alias] :
                 $select;
 
@@ -289,6 +289,22 @@ class SelectBuilder implements Builder
         return $this;
     }
 
+    /**
+     * Add an item to a with recursive statement.
+     *
+     * @param Union $query A query.
+     * @param string $name A CTE name. In UpperCamelCase.
+     * @since 9.3.0
+     */
+    public function withRecursive(Union $query, string $name): self
+    {
+        $this->params['withRecursive'] ??= [];
+
+        $this->params['withRecursive'][] = [$query, $name];
+
+        return $this;
+    }
+
     /**
      * @param array<Expression|Selection|mixed[]> $itemList
      * @return array<array{0: string, 1?: string}|string>
@@ -305,7 +321,7 @@ class SelectBuilder implements Builder
             }
 
             if ($item instanceof Selection) {
-                $resultList[] = $item->getAlias() ?
+                $resultList[] = $item->getAlias() !== null ?
                     [$item->getExpression()->getValue(), $item->getAlias()] :
                     [$item->getExpression()->getValue()];