Fix shortcut window display

data/gtk/help-overlay.blp

@@ -20,17 +20,17 @@ ShortcutsWindow help_overlay {
 
       ShortcutsShortcut {
         title: "Increment score";
-        action-name: "win.score-changed::up";
+        accelerator: "<Ctrl>Up <Ctrl>Right";
       }
 
       ShortcutsShortcut {
         title: "Decrement score";
-        action-name: "win.score-changed::down";
+        accelerator: "<Ctrl>Down <Ctrl>Left";
       }
 
       ShortcutsShortcut {
         title: "Show try filter";
-        action-name: "win.show-try-filter";
+        accelerator: "<Ctrl>f";
       }
     }
   }