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/de_DE/Import.json

@@ -28,7 +28,6 @@
     "What to Import?": "Was soll importiert werden?",
     "Entity Type": "Entitätstyp",
     "What to do?": "Was soll gemacht werden?",
-    "Properties": "Eigenschaften",
     "Header Row": "Kopfzeile",
     "Person Name Format": "Namensformat Person",
     "Field Delimiter": "Feldbegrenzer",
@@ -52,7 +51,8 @@
     "Import Results": "Importergebnisse",
     "Silent Mode": "Silent-Modus",
     "New import with same params": "Neuer Import mit gleichen Parametern",
-    "Run Manually": "Manuell ausführen"
+    "Run Manually": "Manuell ausführen",
+    "Parameters": "Parameter"
   },
   "messages": {
     "utf8": "Sollte UTF-8 kodiert sein",