Submit activities in admin when they are completed.
Submit activities in admin when they are completed.

This mimicks the behaviour in the admin that we already have in the
frontend. This does not add a trigger on purpose, since we want to do
the submit explicitly in the frontend, and notify the user when this
happens.

BB-18195 #resolve

onepercentclub/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle,onepercentclub/bluebottle