perf: 滚动条替换和toTop替换

nezha-fronted/src/components/common/popBox/selectArea.vue

@@ -2,7 +2,7 @@
   <el-popover :placement="placement" width="698" ref="selectAreaPopBox" v-model="popBox.show" popper-class="nz-pop nz-pop-select-area" transition="slide">
     <div>
       <div class="pop-item-wider">
-        <el-scrollbar class="select-area-tree">
+        <div class="select-area-tree">
           <el-tree
             ref="areaTree"
             node-key="id"
@@ -16,7 +16,7 @@
             @node-click="selectArea"
             @check-change="clearOthers">
           </el-tree>
-        </el-scrollbar>
+        </div>
       </div>
     </div>
     <div slot="reference">

nezha-fronted/src/components/common/popBox/selectWalk.vue

@@ -6,7 +6,7 @@
         <p><span class="metirc-tip-list">OID&nbsp;:&nbsp;</span><span>{{tempWalk.objectID}}</span></p>
         <p><span class="metirc-tip-list">MIB&nbsp;:&nbsp;</span><span>{{mibName(tempWalk.objectID)}}</span></p>
       </div>
-      <el-scrollbar class="select-walk-tree" ref="scrollbar">
+      <div class="select-walk-tree" ref="scrollbar">
         <el-tree
           ref="walkTree"
           node-key="objectID"
@@ -36,7 +36,7 @@
             {{data.name}}
           </div>
         </el-tree>
-      </el-scrollbar>
+      </div>
     </div>
     <div slot="reference">
       <slot name="trigger">