fix: 一系列优化和调整：左侧筛选空串处理、下拉增加网络质量和链路、app风险等级映射

src/views/entityExplorer/entityList/entityListMixin.js

@@ -3,7 +3,7 @@ import { get } from '@/utils/http'
 import { api } from '@/utils/api'
 import * as echarts from 'echarts'
 import { entityListLineOption } from '@/components/charts/chart-options'
-import { unitTypes } from '@/utils/constants'
+import {riskLevelMapping, unitTypes} from '@/utils/constants'
 
 export default {
   props: {
@@ -75,6 +75,14 @@ export default {
       }
       return url
     },
+    appRisk () {
+      return function (level) {
+        const m = riskLevelMapping.find(mapping => {
+          return mapping.value == level
+        })
+        return (m && m.name) || level
+      }
+    },
     queryParams () {
       let params
       const now = window.$dayJs.tz().valueOf()