fix(接口测试): 修复删除用例执行报告后用例状态变为未执行的问题

--bug=1011016 --user=宋天阳
【接口测试】github11320，执行接口case成功后，删除该测试报告，接口case执行结果又变成“未执行”，执行结果选择“未执行”筛选不出来，选择“通过”才能筛选出来
https://www.tapd.cn/55049933/s/1123789

backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java

@@ -143,6 +143,9 @@ public class ApiTestCaseService {
             if (environment != null) {
                 apiCase.setEnvironment(environment.getName());
             }
+            if(apiCase.getExecResult() == null && StringUtils.isNotEmpty(apiCase.getStatus()) && !StringUtils.equalsIgnoreCase(apiCase.getStatus(),"trash")){
+                apiCase.setExecResult(apiCase.getStatus());
+            }
         }
     }
 

frontend/src/business/components/api/definition/components/list/ApiCaseSimpleList.vue

@@ -416,6 +416,7 @@ export default {
       statusFilters: [
         {text: this.$t('api_test.automation.success'), value: 'success'},
         {text: this.$t('api_test.automation.fail'), value: 'error'},
+        {text: this.$t('error_report_library.option.name'), value: 'errorReportResult'},
         {text: this.$t('report.stop_btn'), value: 'STOP'},
         {text: this.$t('api_test.home_page.detail_card.unexecute'), value: ''},
         {text: this.$t('commons.testing'), value: 'Running'}

frontend/src/business/components/api/definition/components/mock/MockEditDrawer.vue

@@ -109,6 +109,7 @@ export default {
             arguments: [],
             rest: [],
             body: {
+              xmlHeader: 'version="1.0" encoding="UTF-8"',
               type: 'JSON',
               binary: []
             }