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/nb_NO/LayoutSet.json

@@ -1,8 +1,9 @@
-{
-  "fields": {
-    "layoutList": "Oppsett"
-  },
-  "labels": {
-    "Edit Layouts": "Rediger Oppsett"
-  }
+{
+  "fields": {
+    "layoutList": "Oppsett"
+  },
+  "labels": {
+    "Create LayoutSet": "Opprett oppsettsett",
+    "Edit Layouts": "Rediger Oppsett"
+  }
 }