Issue #576 - As a speaker, I want to be able to create a proposal from my speaker page pre-filled with my name

[hilarysk]

What does this PR do?

Speeds up ability for someone to add multiple proposals in a row.

Why was this work done? Is there a related Issue?

Issue #576

Where should a reviewer start?

The controller

Are there any manual testing steps?

Visit a speaker page and click "Add a new proposal".

Screenshots

Deployment instructions

N/A

Database changes

N/A

New ENV variables

N/A