refactor fullscreen handling + unload tab fix
Created by: balcy
fix fullscreen chrome / progressbar visibility for webapps fix unload function for tabs (fixes https://github.com/ubports/morph-browser/issues/59)
Created by: balcy
fix fullscreen chrome / progressbar visibility for webapps fix unload function for tabs (fixes https://github.com/ubports/morph-browser/issues/59)