This should be based on notifications in the notificationStore with the type "Error". So basically trigger the snackbar to open when the array of notifications is changed.
We added a basic snackbar using notistack and it's variants. We can improve this later by inputting a custom content template that includes a close icon etc.
We should display errors in a clear way for the user, for example by using the snackbar component (https://material-ui.com/components/snackbars/)
This should be based on notifications in the notificationStore with the type "Error". So basically trigger the snackbar to open when the array of notifications is changed.