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/metadata/clientDefs/Contact.json

@@ -75,7 +75,8 @@
                 "id": "contactId",
                 "name": "contactName"
             },
-            "selectHandler": "handlers/select-related/same-account"
+            "selectHandler": "handlers/select-related/same-account",
+            "layout": "listForContact"
         },
         "targetLists": {
             "create": false,