When a user is not logged in, set the default chat model to the dotcom default model. This is because unauthed users are expected not to have a default model as the model list is only synced on login.
Test plan
No feature was changed so CI is expected to be green.
When a user is not logged in, set the default chat model to the dotcom default model. This is because unauthed users are expected not to have a default model as the model list is only synced on login.
Test plan
No feature was changed so CI is expected to be green.