PR Close #23234
Closes #22379 PR Close #22565
Navigating to a document while trying to expand or collapse a sub-menu is undesirable and confusing. All sub-menu toggles should have no other effect than expanding/collapsing the corresponding sub-menu. PR Close #21695
This is in preparation of putting firebase and service worker deployment tests into the project. PR Close #21763
Igor Minar
Pete Bacon Darwin
George Kalpakas