fix(#164): added mapper column key on to_dict func (#165)

* fix(#164): added mapper column key on to_dict func

* chore: added noqa

---------

Co-authored-by: Cody Fincher <204685+cofin@users.noreply.github.com>

advanced_alchemy/base.py

@@ -219,7 +219,11 @@ def to_dict(self, exclude: set[str] | None = None) -> dict[str, Any]:
             dict[str, Any]: A dict representation of the model
         """
         exclude = {"sa_orm_sentinel", "_sentinel"}.union(self._sa_instance_state.unloaded).union(exclude or [])  # type: ignore[attr-defined]
-        return {field.name: getattr(self, field.name) for field in self.__table__.columns if field.name not in exclude}
+        return {
+            field: getattr(self, field)
+            for field in self.__mapper__.columns.keys()  # noqa: SIM118
+            if field not in exclude
+        }
 
 
 @declarative_mixin