perf: 优化下滑框性能（部分）

nezha-fronted/src/components/common/js/tools.js

@@ -241,7 +241,7 @@ export const bottomBoxWindow = {
           vm.mainResizeShow = true;
         }
       }
-      if(parseInt(subListDom.offsetHeight) <= 100){
+      if(parseInt(subListDom.style.height) <= 100){
         if (vm.subResizeShow) {
           vm.subResizeShow = false;
         }

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

@@ -1,5 +1,5 @@
 <template>
-  <el-popover :placement="placement" width="487" ref="selectAreaPopBox" v-model="popBox.show" popper-class="nz-pop nz-pop-select-area" transition="slide">
+  <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">
@@ -36,14 +36,7 @@
         currentArea: {type: Number}
       },
       mounted() {
-        /*this.$nextTick(() => {
-          console.info(this.$refs)
         this.$refs.areaTree.setCurrentKey(this.currentArea);
-        });*/
-        setTimeout(() => {
-          console.info(this.$refs)
-          this.$refs.areaTree.setCurrentKey(this.currentArea);
-        }, 100);
       },
       data(){
         return {