Create a New Page - Blank Page : Action cannot be performed by keyboard alone

URL to the page

https://instenv-10949-s8ch.instenv.internal.atlassian.com/#recently-worked

Steps to Reproduce

1. Open URL to the page
2. Navigate and activate "Spaces"
3. Activate "Recent spaces" and select anyone of the recent space.
4. Navigate to "Edit" link and activate.
5. Navigate to "Invite people to edit with you button" available after breadcrumbs using keyboard and observe if is accessible using keyboard.

Screenshot

Actual Behaviour

When user attempt to navigate on "Invite people to edit with you" button is missing keyboard support. Resulting in keyboard only user won't have access to functionality associated with the button.

Expected Result

"Invite people to edit with you" button should receive keyboard support. Define using HTML tags such as "Button".

Alternatively, modify scripts to make sure <span> element receives keyboard focus.

Bug Ref: 725314