Add db_session merge to list update

gen3userdatalibrary/db.py

@@ -158,6 +158,7 @@ async def update_and_persist_list(
         )
         for key, value in changes_that_can_be_made:
             setattr(db_list_to_update, key, value)
+        await self.db_session.merge(db_list_to_update)
         return db_list_to_update
 
     async def test_connection(self) -> None:
@@ -225,7 +226,9 @@ async def add_items_to_list(self, list_id: UUID, item_data: dict):
             item_data: dict of items to add to item component of list
         """
         user_list = await self.get_existing_list_or_throw(list_id)
+
         user_list.items.update(item_data)
+        await self.db_session.merge(user_list)
         return user_list
 
     async def grab_all_lists_that_exist(

gen3userdatalibrary/models/user_list.py

@@ -5,6 +5,7 @@
 from pydantic import BaseModel, ConfigDict, Field
 from sqlalchemy import UUID, Column, DateTime, Integer, String, UniqueConstraint
 from sqlalchemy.dialects.postgresql import JSONB
+from sqlalchemy.ext.mutable import MutableDict
 from sqlalchemy.orm import declarative_base
 
 Base = declarative_base()
@@ -115,7 +116,7 @@ class UserList(Base):
         nullable=False,
     )
 
-    items = Column(JSONB)
+    items = Column(MutableDict.as_mutable(JSONB))
 
     __table_args__ = (UniqueConstraint("name", "creator", name="_name_creator_uc"),)