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/Modules/Crm/Resources/i18n/ar_AR/Calendar.json

@@ -1,22 +1,21 @@
-{
-  "modes": {
-    "month": "شهر",
-    "week": "إسبوع",
-    "agendaWeek": "إسبوع",
-    "day": "يوم",
-    "agendaDay": "يوم",
-    "timeline": "الجدول الزمني"
-  },
-  "labels": {
-    "Today": "اليوم",
-    "Create": "إنشاء",
-    "Shared": "مشترك",
-    "Add User": "اضافة مستخدم",
-    "current": "الحالي",
-    "time": "الوقت",
-    "User List": "قائمة المستخدمين",
-    "Manage Users": "ادارة المستخدمين",
-    "View Calendar": "مشاهدة التقويم",
-    "Create Shared View": "إنشاء طريقة عرض مشتركة"
-  }
+{
+  "modes": {
+    "month": "شهر",
+    "week": "إسبوع",
+    "agendaWeek": "إسبوع",
+    "day": "يوم",
+    "agendaDay": "يوم",
+    "timeline": "الجدول الزمني"
+  },
+  "labels": {
+    "Today": "اليوم",
+    "Create": "إنشاء",
+    "Shared": "مشترك",
+    "Add User": "اضافة مستخدم",
+    "current": "الحالي",
+    "time": "الوقت",
+    "User List": "قائمة المستخدمين",
+    "View Calendar": "مشاهدة التقويم",
+    "Create Shared View": "إنشاء طريقة عرض مشتركة"
+  }
 }