Move error notifications to the caller

[eh-am]

Currently we handle error notifications in the thunk, which turns out to not be the best design, since it's really the caller that knows best how to handle a failure (most likely a component)

Here's an example from the redux toolkit docs of how to do it.

This nos not super important right now, as a rule of thumb: if possible, refactor it, but don't go out of your way to do it