Reset queued command when changing CTRL state.

src/toolbar_gui.cpp

@@ -2259,6 +2259,7 @@ struct TabletToolbar : Window {
 				this->ToggleWidgetLoweredState(WID_TT_CTRL);
 				HandleCtrlChanged();
 				this->SetWidgetDirty(WID_TT_CTRL);
+				EraseQueuedTouchCommand();
 				break;
 			case WID_TT_MOVE:
 				_move_pressed = !_move_pressed;