fix(环境管理): 配置环境组无法选择项

--bug=1010793 --user=李玉号 【系统设置】-【环境管理】github
#11099，配置环境组无法选择项
https://www.tapd.cn/55049933/s/1112676

Closes #11099

frontend/src/business/components/settings/workspace/environment/EnvironmentGroupRow.vue

@@ -160,6 +160,7 @@ export default {
         if (project) {
           project.disabled = true;
         }
+        this.clearProjectSelect();
         this.$get('/api/environment/list/' + item.projectId, res => {
           this.$set(item, 'environments', res.data);
         });