Added alter db restricted_user
Added alter db restricted_user

Now also do
alter database $db set restricted user
to try and clear processes on the db before restore.

the amount of process killing we're doing now I think is about the limit
we can do responsibly without causing damage.

kozloski/dbatools,dsolodow/dbatools,wsmelton/dbatools,sqlpadawan/dbatools,SirCaptainMitch/dbatools,alevyinroc/dbatools,Splaxi/dbatools