fix: Close amisadmin#24. Fix PostgreSQL IntegrityError in add_policies

Author: aaknyazev

fastapi_user_auth/utils/sqlachemy_adapter.py

@@ -147,7 +147,7 @@ async def add_policies(self, sec: str, ptype: str, rules: Iterable[Tuple[str]])
         """adds a policy rules to the storage."""
         values = []
         for rule in rules:
-            values.append(self.parse_rule(ptype, rule).dict())
+            values.append(self.parse_rule(ptype, rule).dict(exclude={"id"}))
         if not values:
             return
         await self.db.async_execute(insert(self._db_class).values(values))