1030366: Hidden toolbar is not really hidden when editing contact, r=rik

Personally, I like to think of the worst possible exaggerated cases in order to make a decision. In the worst case I can imagine how every single function in the .py file will require a11y equivalent. In this nightmare scenario I think that every function duplication would blow up the code and make much less maintainable simply by 2x size of the read material. Maybe that is why I was thinking to abstract the function ^ in my PR. IMO

@zacc do you want me to revert the code change and just have 2 duplicate functions: `tap_new_contact` and `a11y_click_new_contact` ? Or keep the code as it is and just rename `get_new_contact`