When in invoice mode/section it would be useful that there will be button to navigate to 'Time' section

When in invoice mode/section it would be useful that there will be button to navigate to 'Time' section. It is quite often that need to amend time, pay rate etc. It is really annoying to do so many steps: close invoice -> main screen -> Time -> back to invoice -> change invoice -> find specific shift changed shift -> select/unselect(add new) -> save invoice….