Add translation string for better translationj capability (#9736)

* Add new translation für sending Ctrl+Alt+Del

* Add new translation string for sending Ctrl+Alt+Del

src/lang/el.rs

@@ -653,5 +653,6 @@ pub static ref T: std::collections::HashMap<&'static str, &'static str> =
         ("Upload folder", ""),
         ("Upload files", ""),
         ("Clipboard is synchronized", ""),
+        ("Insert Ctrl + Alt + Del", ""),
     ].iter().cloned().collect();
 }