1. You can't get the alternate state selections to show in the top current selections bar. The only alternative would be to create a text object underneath that show the alternate state selections instead for instance underneath.
GetCurrentSelections ([record_sep [, tag_sep [, value_sep [, max_values [, state_name]]]]])
2. I think this extension might work for you:
Stefan Walther's Sheet Navigation + Actions for Qlik Sense: Qlik Branch