fix (接口自动化): 修复场景变量多次打开累积问题

frontend/src/business/components/api/automation/scenario/component/StepExtendBtns.vue

@@ -17,7 +17,7 @@
         </el-dropdown-item>
       </el-dropdown-menu>
     </el-dropdown>
-    <ms-variable-list ref="scenarioParameters"/>
+    <ms-variable-list ref="scenarioParameters" @setVariables="setVariables"/>
     <ms-add-basis-api :currentProtocol="currentProtocol" ref="api"/>
   </div>
 </template>
@@ -64,6 +64,9 @@ export default {
           break;
       }
     },
+    setVariables(v,h){
+      this.data.variables = v;
+    },
     getScenario() {
       this.result = this.$get("/api/automation/getApiScenario/" + this.data.id, response => {
         if (response.data) {