fix(接口测试): 修复环境通用设置的校验问题

--bug=1026573 --user=王孝刚 【接口测试】github#24640，环境配置，勾选了通用配置列表，切换环境，通用配置不切换
https://www.tapd.cn/55049933/s/1386592

framework/sdk-parent/frontend/src/components/environment/ApiEnvironmentConfig.vue

@@ -191,6 +191,7 @@ export default {
       this.$refs.environmentItems.itemSelected(this.environments.length - 1, newEnvironment);
     },
     environmentSelected(environment) {
+      this.$refs.environmentEdit.clearValidate();
       this.getEnvironment(environment);
     },
     getEnvironments() {

framework/sdk-parent/frontend/src/components/environment/commons/ApiScenarioVariables.vue

@@ -270,8 +270,8 @@ export default {
         this.variables = this.allData.slice(0, this.pageSize);
         this.variables.forEach((item) => {
           item.showMore = false;
+          delete item.hashTree;
         });
-        return;
       }
       let start = (this.currentPage - 1) * this.pageSize;
       let end = this.currentPage * this.pageSize;