fix users had already joined a workspace, but the system still first … (#9834)

Co-authored-by: yong.zhang <yong.zhang@yesno.com.cn>

api/services/account_service.py

     def create_owner_tenant_if_not_exist(
         account: Account, name: Optional[str] = None, is_setup: Optional[bool] = False
     ):
-        """Create owner tenant if not exist"""
-        if not FeatureService.get_system_features().is_allow_create_workspace and not is_setup:
-            raise WorkSpaceNotAllowedCreateError()
+        """Check if user have a workspace or not"""
         available_ta = (
             TenantAccountJoin.query.filter_by(account_id=account.id).order_by(TenantAccountJoin.id.asc()).first()
         )
         if available_ta:
             return
 
+        """Create owner tenant if not exist"""
+        if not FeatureService.get_system_features().is_allow_create_workspace and not is_setup:
+            raise WorkSpaceNotAllowedCreateError()
+
         if name:
             tenant = TenantService.create_tenant(name=name, is_setup=is_setup)
         else: