fix: dc列表、侧滑相关

1.侧滑area弹框增加默认选中

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

@@ -22,6 +22,7 @@
             :expand-on-click-node="false"
             check-on-click-node
             check-strictly
+            highlight-current
             @node-click="selectArea"
             @check-change="clearOthers">
           </el-tree>
@@ -44,10 +45,16 @@
       props:{
         placement: {type: String},
         isEdit: {type: Boolean, default: true},
-        areaData: {type: Array}
+        areaData: {type: Array},
+        currentArea: {type: Number}
       },
       created() {
       },
+      mounted() {
+        this.$nextTick(() => {
+          this.$refs.areaTree.setCurrentKey(this.currentArea);
+        });
+      },
       data(){
         return {
           popBox: {show: false},

nezha-fronted/src/components/common/rightBox/dcBox.vue

@@ -51,7 +51,7 @@
             <div v-else-if="!rightBox.isEdit" class="right-box-form-content-txt">-</div>
           </el-form-item>
           <el-form-item :label='$t("config.dc.area")' prop="area">
-            <select-area ref="selectArea" :areaData="areaData" :placement="'left'" @selectArea="selectArea">
+            <select-area ref="selectArea" :areaData="areaData" :placement="'left'" @selectArea="selectArea" :currentArea="currentDc.area.id">
               <template v-slot:trigger>
                 <el-input v-if="rightBox.isEdit" placeholder="" v-model="currentDc.area.name" size="small" readonly="readonly" @click.native="toSelectArea"></el-input>
               </template>