[Feature][dolphinscheduler-api] Return domain object after creating success (#8825)

Co-authored-by: ouyangyewei <yewei.oyyw@alibaba-inc.com>

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertGroupServiceImpl.java

@@ -157,7 +157,12 @@ public class AlertGroupServiceImpl extends BaseServiceImpl implements AlertGroup
         // insert
         try {
             int insert = alertGroupMapper.insert(alertGroup);
-            putMsg(result, insert > 0 ? Status.SUCCESS : Status.CREATE_ALERT_GROUP_ERROR);
+            if (insert > 0) {
+                result.put(Constants.DATA_LIST, alertGroup);
+                putMsg(result, Status.SUCCESS);
+            } else {
+                putMsg(result, Status.CREATE_ALERT_GROUP_ERROR);
+            }
         } catch (DuplicateKeyException ex) {
             logger.error("Create alert group error.", ex);
             putMsg(result, Status.ALERT_GROUP_EXIST);

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/AlertPluginInstanceServiceImpl.java

@@ -91,8 +91,8 @@ public class AlertPluginInstanceServiceImpl extends BaseServiceImpl implements A
         }
 
         int i = alertPluginInstanceMapper.insert(alertPluginInstance);
-
         if (i > 0) {
+            result.put(Constants.DATA_LIST, alertPluginInstance);
             putMsg(result, Status.SUCCESS);
             return result;
         }

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/AlertGroupServiceTest.java

@@ -110,6 +110,7 @@ public class AlertGroupServiceTest {
         result = alertGroupService.createAlertgroup(user, groupName, groupName, null);
         logger.info(result.toString());
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
+        Assert.assertNotNull(result.get(Constants.DATA_LIST));
     }
 
     @Test

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/service/AlertPluginInstanceServiceTest.java

@@ -163,6 +163,7 @@ public class AlertPluginInstanceServiceTest {
         Mockito.when(alertPluginInstanceMapper.insert(Mockito.any())).thenReturn(1);
         result = alertPluginInstanceService.create(user, 1, "test1", uiParams);
         Assert.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));
+        Assert.assertNotNull(result.get(Constants.DATA_LIST));
     }
 
     @Test