[Bug][dolphinscheduler ui] When the edit time is repaired, the alarm group display. (#7262)

dolphinscheduler-ui/src/js/conf/home/pages/projects/pages/definition/pages/list/_source/timing.vue

@@ -363,7 +363,7 @@
         this._getNotifyGroupList().then(() => {
           this.$nextTick(() => {
             // let list = _.filter(this.notifyGroupList, v => v.id === item.warningGroupId)
-            this.warningGroupId = item.warningGroupId
+            this.warningGroupId = item.warningGroupId === 0 ? '' : item.warningGroupId
           })
         }).catch(() => { this.warningGroupId = '' })
       } else {