修正顶部节点文件夹少于5个时，未显示右侧箭头的问题

src/views/main_web/workspace/components/header-flow-tabs.vue

@@ -30,7 +30,7 @@
         </button>
       </template>
 
-      <div class="has-next-node no-drag" v-if="totalNodeNum - nowFolderIndex > 2 && totalNodeNum > 5 "
+      <div class="has-next-node no-drag" v-if="totalNodeNum - nowFolderIndex > 2"
           @click.stop="nowFolderClick(nowFolderIndex + 1)">
             <img  class="next-icon no-drag" src="/static/img/下拉箭头.svg"/>
       </div>