feat：添加 chart-group

nezha-fronted/src/components/chart/chartHeader.vue

@@ -1,6 +1,7 @@
 <template>
   <div :class="{'chart-header--float': !chartInfo.param.showHeader}" class="chart-header">
-    <div class="chart-header__title">{{chartInfo.name}}</div>
+    <div class="chart-header__title" v-if="!isGroup">{{chartInfo.name}}</div>
+    <div class="chart-header__title" v-else @click="groupShow"> > {{chartInfo.name}}</div>
     <div class="chart-header__tools">
       <span v-if="chartInfo.remark" class="chart-header__tool">
         <el-tooltip :content="chartInfo.remark" effect="light" placement="top">
@@ -51,6 +52,10 @@ export default {
   props: {
     chartInfo: Object,
     from: String,
+    isGroup: {
+      type: Boolean,
+      default: false
+    },
     error: {
       type: String,
       default: ''
@@ -90,6 +95,9 @@ export default {
     },
     clickos () {
       this.dropdownMenuShow = false
+    },
+    groupShow () {
+      this.$emit('groupShow', !this.chartInfo.param.collapse)
     }
   }
 }