Make usability and content adjustments to feedback box

[JonellaCulmer]

What we're after:
Are we asking the right questions in our feedback box? This work is to consider making adjustments to the feedback box including layout and content.

Related issues

• Update privacy policy and add URL language to feedback box #3985 Update privacy policy and add URL language to feedback box
• Make feedback tool close icon sticky #2207 Make feedback tool close icon sticky

Completion criteria

• Make design and language recommendations to improve the feedback form and make sure we're asking the right questions of our users.