--------------------
- With the new unique session id exposed in the URL, we can actually redirect
to the exact location inside a session after login, if this is present as
a came_from parameter. We already have the security checks in place that ensure
that a session can only be viewed by an authorised user.
- (Re-)enable a custom tool notification, shown on the Preparation page
- The progress indicator also gets updated when the user is progressing from one risk
to the next.