polish(auth): Only fail hard on email send for emails with codes

[dschom]

Because

• We might not want to error out if an email fails to send
• Some emails are critical, others aren't

This pull request

• Adds option to suppress an exception on email send
• Updates auth-server to suppress errors for not critical emails

Issue that this pull request solves

Closes: (issue number)

Checklist

Put an x in the boxes that apply

• My commit is GPG signed.
• If applicable, I have modified or added tests which pass locally.
• I have added necessary documentation (if appropriate).
• I have verified that my changes render correctly in RTL (if appropriate).

Screenshots (Optional)

Please attach the screenshots of the changes made in case of change in user interface.

Other information (Optional)

Any other information that is important to this pull request.

[nshirley]

Smart, I'll have some to update on my pr, but looks like it's just an optional param 👍

[nshirley]

Just noticed, should this default to false?