NEZ-2436 fix:chart编辑页面 Threshold 删除时颜色选框不同步

nezha-fronted/src/components/chart/chartHeaderMixin.js

@@ -113,7 +113,7 @@ export default {
       if (confirmReg.length) {
         confirmReg.forEach(item => {
           const reg = new RegExp('\\$' + item.name, 'g') // 后续需要考虑 item,name 使用特殊字符的问题
-          str = str.replace(reg, item.checked.map(label => label.replace(/\"/g, '\\"').replace(/\'/g, "\\'")).join('+'))
+          str = str.replace(reg, item.checked.map(label => label.replace(/\\"/g, '"').replace(/\\'/g, "'")).join('+'))
         })
       }
       return str

nezha-fronted/src/components/common/rightBox/chart/chartConfig.vue

@@ -480,7 +480,7 @@
           <el-row v-if="chartConfig.param.enable.thresholds && isThresholdConfig(chartConfig.type)">
             <el-form-item
               v-for="(item,index) in chartConfig.param.thresholds"
-              :key="index"
+              :key="item.color"
               class="thresholds-item"
               :prop="'param.thresholds.' + index + '.value'"
               :rules="{ required: true, message: $t('validate.required'), trigger: 'blur'}"