laad eventform switch states from event.data for editing existing events (so price switch is on if there is a price)

this comes together with a more unified layout of edit views
the new structure simplifies data handling and needs less api communication, making it more responsive

problem: When searching, the result list was not updated properly and clicking on a result was not registered if the user did not scroll through the list before (and therefore update)
this fix now makes debouncing searchupdates cleaner
also fixes a problem with the cancel button in the searchfield, which can apparently only handle iconbuttons