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/nl_NL/Calendar.json

@@ -13,8 +13,9 @@
     "current": "huidige",
     "time": "tijd",
     "User List": "Gebruikers lijst",
-    "Manage Users": "Gebruikers beheren",
     "View Calendar": "Bekijk de kalender",
-    "Create Shared View": "Creëer gedeelde weergave"
+    "Create Shared View": "Creëer gedeelde weergave",
+    "Edit Shared View": "Bewerk gedeelde weergave",
+    "Shared Mode Options": "Opties gedeelde modus"
   }
 }