Update submission confirmation email with new copy to include Gig work

[Oanh-and-only-Oanh]

We need to update the auto email submitters receive regarding their scores. ALL submitters will receive the email.

Copy: https://docs.google.com/document/d/1xIsdWmYSgiroDVG8q2QGOzTQjR5Jvw9hZ3tdusHWsdg/edit?ts=5f6b700c

[mtwomey]

On Hold per @Oanh-and-only-Oanh