Use joined load instead of subquery load due to performance concerns

flask_admin/contrib/sqlamodel/view.py

 import logging
 
 from sqlalchemy.orm.attributes import InstrumentedAttribute
-from sqlalchemy.orm import subqueryload
+from sqlalchemy.orm import joinedload
 from sqlalchemy.sql.expression import desc
 from sqlalchemy import or_, Column, func
 
@@ -703,7 +703,7 @@ class ModelView(BaseModelView):
 
         # Auto join
         for j in self._auto_joins:
-            query = query.options(subqueryload(j))
+            query = query.options(joinedload(j))
 
         # Sorting
         if sort_column is not None: