fix(项目设置): 代码模版生成的代码添加至脚本编辑器光标位置

--bug=1002574 --user=李玉号 【github】缺陷记录2021-04-12
https://www.tapd.cn/55049933/s/1174908

frontend/src/business/components/api/definition/components/mock/Components/MockApiScriptEditor.vue

@@ -269,12 +269,9 @@ export default {
       }
     },
     handleCodeTemplate(code) {
-      if (!this.jsr223Processor.script) {
+      if (this.$refs.codeEdit) {
-        this.jsr223Processor.script = code;
+        this.$refs.codeEdit.insert(code);
-      } else {
-        this.jsr223Processor.script = this.jsr223Processor.script + '\n' + code;
       }
-      this.reload();
     },
   }
 }