add .toLowerCase to front end new account creation

[trillium]

Overview

We need to transform user emails to be lower case during account creation as per #1456.

Action items

• Transform new user email to lower case before the reuqest for account creation is sent to the db.

[StephenTheDev1001]

I can't self assign yet. I'd really like to start off with this issue and I think I'll be able to self assign after I'm fully onboarded. I'll start digging around tonight and hopefully I'll have a pull request before Monday EOD. Thanks

ETA: Monday, Aug 28.
Availability: 10am - 12pm

[trillium]

This is already currently handled in the database for account creation