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/cs_CZ/EmailAddress.json

@@ -1,7 +1,15 @@
-{
-  "labels": {
-    "Primary": "Primární",
-    "Opted Out": "Odhlášené",
-    "Invalid": "Neplatné"
-  }
+{
+  "labels": {
+    "Primary": "Primární",
+    "Opted Out": "Odhlášené",
+    "Invalid": "Neplatné"
+  },
+  "fields": {
+    "optOut": "Odhlášený",
+    "invalid": "Neplatný",
+    "lower": "Název malými písmeny"
+  },
+  "presetFilters": {
+    "orphan": "Sirotek"
+  }
 }