Changes in copy for error message (Magic link expired)

[vacwt]

Describe the bug
Error message for expired links copy should not be 'magic link expired'. This can cause confusion by users that we are associated with magic.link.

To Reproduce
Steps to reproduce the behavior:

1. Sign in with passwordless
2. Click the email verification link after awhile (~10-15min)
3. Error message should show 'Magic link expired'

Expected behavior
Error message for expired link should just be 'Link expired', followed by a copy that tells users what to do along with navigational hyperlink to route users back to the login page.
e.g. 'Return to the login page to request for a new link'.
(If its too much work to implement body copy + hyperlink, just changing the main copy to 'Link expired' will do.)

Screenshots
Currently:

What it should be: