fix(测试跟踪): 集成Tapd创建缺陷接口提示

--bug=1043287 --user=宋昌昌 【测试跟踪】集成tapd-非超级管理员用户-创建缺陷-会提示「当前用户没有操作此用例的权限」，但可以创建成功 https://www.tapd.cn/55049933/s/1585081

framework/sdk-parent/frontend/src/components/template/CustomFiledComponent.vue

@@ -340,7 +340,7 @@ export default {
       this.loading = false;
     },
     setFormData() {
-      if (this.form && this.data && this.data[this.prop]) {
+      if (this.form && this.data) {
         this.$set(this.form, this.data[this.formProp], this.data[this.prop]);
       }
     },

test-track/frontend/src/business/issue/IssueEditDetail.vue

@@ -641,7 +641,9 @@ export default {
       };
       if (platform === "Tapd") {
         this.hasTapdId = true;
+        if (this.form.id) {
           this.getTapdCurrentOwner();
+        }
         getTapdUser(data).then((response) => {
           this.tapdUsers = response.data;
         });