Make keyword data_source filtering work.
Make keyword data_source filtering work.

Previously worked only with show_all_keywords parameter.

City-of-Helsinki/linkedevents,aapris/linkedevents,tuomas777/linkedevents,tuomas777/linkedevents,aapris/linkedevents,City-of-Helsinki/linkedevents,City-of-Helsinki/linkedevents,aapris/linkedevents,tuomas777/linkedevents