fix(bar): workspaces 移除窗口时找到后立即 break 避免不必要的遍历

src/bar/workspaces.c

@@ -276,6 +276,7 @@ void bar_workspace_window_removed(zdwm_window_id_t window_id, void *user_data) {
     if (window->id == window_id) {
       found = true;
       index = i;
+      break;
     }
   }