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/metadata/entityDefs/Settings.json

@@ -191,8 +191,7 @@
             "view": "views/settings/fields/default-currency"
         },
         "currencyRates": {
-            "type": "base",
-            "view": "views/settings/fields/currency-rates"
+            "type": "base"
         },
         "outboundEmailIsShared": {
             "type": "bool",