fix(接口定义): 修复自动化场景切换数据源前后置sql没有变化的缺陷

--bug=1016307 --user=王孝刚
【接口测试】github#17311，接口自动化中，非默认项目切换不同环境，导致数据源发生变化。
https://www.tapd.cn/55049933/s/1235215

frontend/src/business/components/api/definition/components/step/JmxStep.vue

@@ -412,6 +412,7 @@ export default {
       if (this.request.disabled) {
         jdbcPreProcessor.label = 'SCENARIO-REF-STEP';
       }
+      jdbcPreProcessor.projectId = this.request.projectId;
       jdbcPreProcessor.active = false;
       this.request.hashTree.push(jdbcPreProcessor);
       this.sort();
@@ -425,6 +426,7 @@ export default {
       if (this.request.disabled) {
         jdbcPostProcessor.label = 'SCENARIO-REF-STEP';
       }
+      jdbcPostProcessor.projectId = this.request.projectId;
       jdbcPostProcessor.active = false;
       this.request.hashTree.push(jdbcPostProcessor);
       this.sort();