stop triple on interrupted

Signed-off-by: dom <githubaccount56556@proton.me>

lib/pages/video/widgets/player_focus.dart

@@ -107,6 +107,10 @@ class PlayerFocus extends StatelessWidget {
         introController!.onCancelTriple(isKeyQ);
       }
       return true;
+    } else if (event is KeyDownEvent) {
+      if (introController?.isTripling ?? false) {
+        introController!.onCancelTriple();
+      }
     }
 
     final isArrowUp = key == LogicalKeyboardKey.arrowUp;