This replaces the buttons that aren't part of a macro and that we don't
need to write additional styles for with their govuk-frontend equivalent.
There were some links that were styled to look like buttons, so these
have also been replaced with the new govuk-frontend macro.
There was one button on the `choose-account.html` template that was in a
section of code that was never reached - this has been deleted.
The ‘make this default’ checkbox should be shown, except when:
- the user is adding their first email reply to address (because the
first one has to be the default)
- they’re editing the existing default (because they can’t change it
to be not default)
Apply suggestions from code review
Reduce max verification waiting time to 90 seconds
Also minor changes following peer review
Co-Authored-By: Chris Hill-Scott <me@quis.cc>
Use constants for notification status collections on verify reply-to
email address
Use a cleaner way of adding request arguments to url_for()
AJAX requests stop on success or failure, as the waiting page
does not have to referesh any longer.
Also on failure a form that allows user to try again
is shown.
