fix display in firefox mobile app1

Author: aijwfsibari

packages/frontend/src/views/WorkspaceView.vue

@@ -891,6 +891,7 @@ const closeFileManagerModal = () => {
   flex-grow: 1; /* Allow this area to take up remaining space */
   overflow: hidden; /* Prevent overflow */
   min-width: 0; /* 允许收缩，避免终端内容撑宽该 flex 子项 */
+  max-width: 100%;
   position: relative; /* Needed for potential absolute positioning inside */
   /* Remove desktop margins/borders */
   margin: 0;