CC-5640: End time does not get updated when editing the current playing show
CC-5640: End time does not get updated when editing the current playing show

Was checking if the start time was in the past, but we should check if the
end time is in the past. This way you can extend or shrink shows that are currently playing.

sourcefabric/airtime,LibreTime/libretime,comiconomenclaturist/libretime,LibreTime/libretime,Lapotor/libretime,justvanbloom/airtime,sourcefabric/airtime,radiorabe/airtime,Ryex/airtime,ReganDryke/airtime,radiorabe/airtime,comiconomenclaturist/libretime,sourcefabric/Airtime,thnkloud9/Airtime,thnkloud9/Airtime,Lapotor/libretime,radiorabe/airtime,Lapotor/libretime,Ryex/airtime,sourcefabric/Airtime,Lapotor/libretime,comiconomenclaturist/libretime,ReganDryke/airtime,Ryex/airtime,sourcefabric/Airtime,thnkloud9/Airtime,sourcefabric/Airtime,sourcefabric/airtime,LibreTime/libretime,LibreTime/libretime,justvanbloom/airtime,radiorabe/airtime,radiorabe/airtime,justvanbloom/airtime,justvanbloom/airtime,thnkloud9/Airtime,thnkloud9/Airtime,justvanbloom/airtime,sourcefabric/Airtime,comiconomenclaturist/libretime,sourcefabric/airtime,comiconomenclaturist/libretime,Ryex/airtime,ReganDryke/airtime,Ryex/airtime,radiorabe/airtime,justvanbloom/airtime,ReganDryke/airtime,LibreTime/libretime,justvanbloom/airtime,Lapotor/libretime,thnkloud9/Airtime,sourcefabric/airtime,sourcefabric/airtime,LibreTime/libretime,sourcefabric/Airtime,thnkloud9/Airtime,sourcefabric/airtime,Ryex/airtime,radiorabe/airtime,ReganDryke/airtime,ReganDryke/airtime,comiconomenclaturist/libretime,Ryex/airtime,sourcefabric/Airtime,ReganDryke/airtime,comiconomenclaturist/libretime,Lapotor/libretime