Fix a bug where the user cannot see new group messages
Fix a bug where the user cannot see new group messages

The groupMessageIds used for loading all messages for one
user where bound to the users session, which would not be
reloaded on page refresh. This is fixed by fetching /me/
of the user, and therefore the groupMessageIds on each
page reload of /messages/:messageId?

BreakOutEvent/breakout-frontend