After POST redirect back to source filtered page
After POST redirect back to source filtered page

i.e: if I'm triaging new elections at
/election_radar/?status=new after I submit a POST
I should be redirected back to
/election_radar/?status=new not /election_radar/

This should make the process of triaging new scraped
elections a bit nicer :)

DemocracyClub/EveryElection,DemocracyClub/EveryElection,DemocracyClub/EveryElection