feat: 优化面包屑

ui/src/layout/components/breadcrumb/index.vue

@@ -37,6 +37,8 @@
         </el-button>
       </div>
       <template #dropdown>
+        <el-scrollbar>
+          <div style="max-height: 400px">
             <el-dropdown-menu>
               <template v-for="(item, index) in list" :key="index">
                 <div :class="item.id === id ? 'dropdown-active' : ''">
@@ -79,13 +81,18 @@
                 </div>
               </template>
               <template v-else-if="isDataset">
-            <div class="w-full text-left cursor" @click="router.push({ path: '/dataset/create' })">
+                <div
+                  class="w-full text-left cursor"
+                  @click="router.push({ path: '/dataset/create' })"
+                >
                   <el-button link>
                     <el-icon class="mr-4"><Plus /></el-icon> 创建知识库
                   </el-button>
                 </div>
               </template>
             </div>
+          </div>
+        </el-scrollbar>
       </template>
     </el-dropdown>
   </div>