Display name in Firefox account is not showing in Firefox Relay page

[Bianca-O]

Build:
Dev

Affected platforms:
Windows 10 64-bit
macOS 10.15

Browsers tested on:
Firefox

Steps to reproduce:

1. Navigate to https://accounts.stage.mozaws.net/ and login using an existing account.
2. Go to Display name section and add a display name.
3. Navigate to https://dev.fxprivaterelay.nonprod.cloudops.mozgcp.net/ and sign in with the same account.
4. Observe the Sign in successful message.
5. Observe the Welcome message.
6. Click the Avatar icon and observe the username.

Actual result:
The display name is not showing. The email address is displayed.

Expected result:
The display name is displayed instead of the email address.

[maxxcrawford]

@say-yawn I need some help exposing the correct information from the FxA API

[maxxcrawford]

https://github.com/mozilla/fx-private-relay/projects/3

[say-yawn]

https://github.com/mozilla/fxa/blob/main/packages/fxa-profile-server/docs/API.md#get-v1profile this information is available from the /profile request we make and I just need to make sure this information is available in the view.