Steps to reproduce:

1. Log in to backoffice.
2. Go to Admin / Users.
3. Start creating a new user.
4. Fill in all required fields including 'Email' field.
5. Being inside the 'Email' field use 'Tab' button on the keyboard to switch to 'Enabled' toggle button.
6. Use 'Space' button to activate 'Enabled' toggle button.
7. Save the form.
8. Verify value for field 'Enabled' on item view.

Actual result:

See attached screenshots and watch gif please: https://recordit.co/rBcUOollKg

Toggle enabled button is not activated for newly created user when space button on the keyboard is used.

Expected result:

Toggle enabled button is activated.