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/Resources/i18n/ar_AR/ImportError.json

@@ -0,0 +1,23 @@
+{
+  "fields": {
+    "type": "نوع",
+    "validationFailures": "فشل التحقق من الصحة",
+    "import": "استيراد",
+    "rowIndex": "مؤشر الصف",
+    "exportRowIndex": "تصدير مؤشر الصف",
+    "lineNumber": "رقم السطر",
+    "exportLineNumber": "تصدير رقم السطر",
+    "row": "صف"
+  },
+  "options": {
+    "type": {
+      "Validation": "مصادقة",
+      "Access": "ولوج",
+      "Not-Found": "غير موجود"
+    }
+  },
+  "tooltips": {
+    "lineNumber": "رقم السطر في ملف CSV الأصلي.",
+    "exportLineNumber": "رقم السطر في ملف التصدير CSV."
+  }
+}