Resolve CE-2064 "Convert useiocsearch"

• cleans up leftover IOCAsync component stuff
• removes unused useIocList CE-2063
• replaces useIocSearch with ui-common hook

Closes CE-2064, CE-2063

requested review from @alexandermadsen, @domonkosgulyas, and @imretoth

assigned to @christinajenks

mentioned in merge request !349 (merged)

approved this merge request

mentioned in commit d7d3d5a9

merged