perf:1.取消图表选择单位组件可输入 2.traffic setting tags为空时统一为空对象

nezha-fronted/src/components/common/chartUnit.vue

@@ -1,7 +1,7 @@
 <template>
     <div style="display: flex;justify-content: flex-start">
       <button class="input-prepend nz-btn nz-btn-size-small nz-btn-style-light nz-btn-style-square nz-input-group-prepend" @click="openSeletor">{{$t('dashboard.panel.chartForm.unit')}}</button>
-      <el-cascader filterable placeholder="" popper-class="no-style-class unit-pop-class" size="mini"
+      <el-cascader placeholder="" popper-class="no-style-class unit-pop-class" size="mini"
                    :options="chartUnits"
                    class="chart-unit"
                    :props="{ expandTrigger: 'click' ,emitPath:false}"

nezha-fronted/src/components/common/rightBox/trafficSetting/trafficSettingBox.vue

@@ -83,7 +83,7 @@
                   direction:[],
                   ifindex:null,
                   ifdescr:' ',
-                  tags:"",
+                  tags:{},
                   edit:true,
                 }
               ]
@@ -120,7 +120,7 @@
                 direction:[],
                 ifindex:null,
                 ifdescr:' ',
-                tags:"",
+                tags:{},
                 edit:true,
               }
             ]
@@ -146,7 +146,7 @@
               direction:[],
               ifindex:null,
               ifdescr:' ',
-              tags:"",
+              tags:{},
               edit:true,
             }
           ]

nezha-fronted/src/components/common/rightBox/trafficSetting/trafficSettingTab.vue

@@ -321,7 +321,7 @@
           direction:[],
           ifindex:null,
           ifdescr:' ',
-          tags:"",
+          tags:{},
           edit:true,
         })
         this.tableLabels=this.tableLabels.map(item=>{
@@ -342,7 +342,7 @@
             direction:[],
             ifindex:null,
             ifdescr:' ',
-            tags:"",
+            tags:{},
             edit:true,
           }
         ]