Fix alert status spelling error (#12592)

* fix alert status spelling error

* fix-ut

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/controller/AlertPluginInstanceController.java

@@ -201,7 +201,7 @@ public class AlertPluginInstanceController extends BaseController {
         boolean exist = alertPluginInstanceService.checkExistPluginInstanceName(alertInstanceName);
         if (exist) {
             logger.error("alert plugin instance {} has exist, can't create again.", alertInstanceName);
-            return Result.error(Status.PLUGIN_INSTANCE_ALREADY_EXIT);
+            return Result.error(Status.PLUGIN_INSTANCE_ALREADY_EXISTS);
         } else {
             return Result.success();
         }

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/enums/Status.java

@@ -411,7 +411,7 @@ public enum Status {
     GET_ALERT_PLUGIN_INSTANCE_ERROR(110007, "get alert plugin instance error", "获取告警组和告警组插件实例错误"),
     CREATE_ALERT_PLUGIN_INSTANCE_ERROR(110008, "create alert plugin instance error", "创建告警组和告警组插件实例错误"),
     QUERY_ALL_ALERT_PLUGIN_INSTANCE_ERROR(110009, "query all alert plugin instance error", "查询所有告警实例失败"),
-    PLUGIN_INSTANCE_ALREADY_EXIT(110010, "plugin instance already exit", "该告警插件实例已存在"),
+    PLUGIN_INSTANCE_ALREADY_EXISTS(110010, "plugin instance already exists", "该告警插件实例已存在"),
     LIST_PAGING_ALERT_PLUGIN_INSTANCE_ERROR(110011, "query plugin instance page error", "分页查询告警实例失败"),
     DELETE_ALERT_PLUGIN_INSTANCE_ERROR_HAS_ALERT_GROUP_ASSOCIATED(110012,
             "failed to delete the alert instance, there is an alarm group associated with this alert instance",

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

@@ -102,7 +102,7 @@ public class AlertPluginInstanceServiceImpl extends BaseServiceImpl implements A
         if (alertPluginInstanceMapper.existInstanceName(alertPluginInstance.getInstanceName()) == Boolean.TRUE) {
             logger.error("Plugin instance with the same name already exists, name:{}.",
                     alertPluginInstance.getInstanceName());
-            putMsg(result, Status.PLUGIN_INSTANCE_ALREADY_EXIT);
+            putMsg(result, Status.PLUGIN_INSTANCE_ALREADY_EXISTS);
             return result;
         }
 

dolphinscheduler-api/src/test/java/org/apache/dolphinscheduler/api/controller/AlertPluginInstanceControllerTest.java

@@ -217,7 +217,7 @@ public class AlertPluginInstanceControllerTest extends AbstractControllerTest {
                 .thenReturn(true);
 
         Result expectResponseContent = JSONUtils.parseObject(
-                "{\"code\":110010,\"msg\":\"plugin instance already exit\",\"data\":null,\"failed\":true,\"success\":false}",
+                "{\"code\":110010,\"msg\":\"plugin instance already exists\",\"data\":null,\"failed\":true,\"success\":false}",
                 Result.class);
 
         // When

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

@@ -177,7 +177,7 @@ public class AlertPluginInstanceServiceTest {
         Mockito.when(resourcePermissionCheckService.resourcePermissionCheck(AuthorizationType.ALERT_PLUGIN_INSTANCE,
                 null, 0, baseServiceLogger)).thenReturn(true);
         Map<String, Object> result = alertPluginInstanceService.create(user, 1, "test", uiParams);
-        Assertions.assertEquals(Status.PLUGIN_INSTANCE_ALREADY_EXIT, result.get(Constants.STATUS));
+        Assertions.assertEquals(Status.PLUGIN_INSTANCE_ALREADY_EXISTS, result.get(Constants.STATUS));
         Mockito.when(alertPluginInstanceMapper.insert(Mockito.any())).thenReturn(1);
         result = alertPluginInstanceService.create(user, 1, "test1", uiParams);
         Assertions.assertEquals(Status.SUCCESS, result.get(Constants.STATUS));