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/Admin.json

@@ -1,6 +1,12 @@
-{
-  "layouts": {
-    "detailConvert": "Konvertovat stopu",
-    "listForAccount": "Seznam (pro organizace)"
-  }
+{
+  "layouts": {
+    "detailConvert": "Konverze z potenciálu",
+    "listForAccount": "Seznam (pro organizace)",
+    "listForContact": "Seznam (pro kontakt)"
+  },
+  "templates": {
+    "invitation": "Pozvání",
+    "reminder": "Připomínka",
+    "cancellation": "Zrušení"
+  }
 }