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/cs_CZ/Email.json

@@ -1,8 +1,13 @@
-{
-  "labels": {
-    "Create Lead": "Vytvořit stopu",
-    "Create Contact": "Vytvořit kontakt",
-    "Create Task": "Vytvořit úkol",
-    "Create Case": "Vytvořit událost"
-  }
+{
+  "labels": {
+    "Create Lead": "Vytvořit akvizici",
+    "Create Contact": "Vytvořit kontakt",
+    "Create Task": "Vytvořit úkol",
+    "Create Case": "Vytvořit servisní požadavek",
+    "Add to Contact": "Přidat ke kontaktu",
+    "Add to Lead": "Přidat k akvizici"
+  },
+  "fields": {
+    "tasks": "Úkoly"
+  }
 }