Login redirect was using wrong url, thus making it impossible to login from studio. This settings change should fix that.
Useful information to include:
Which edX user roles will this change impact? "Developer"
Supporting information
https://openedx.atlassian.net/browse/ARCHBOM-1687
Testing instructions
Bring up devstack studio and press sign in. If it redirects you correctly to lms login page, this works!