Add User Permission Scope to Access Token Page

[Buwujiu]

Description

To help users easily track their roles and permissions, we should add these information on the Access Token Page: https://submission.pcgl-dev.cumulus.genomeinformatics.org/auth/login.

Acceptance Criteria

• Add a User Role field, permissible values should be Admin, or Data Submitter
• Add a Assigned Studies field, permission values should be All Studies (if admin), or the studies the users can submit data to.
  For example: for admins:

User Role: Admin
Assigned Studies: All Studies

For a submitter who can submit to ALEXIS-CA, TEST-CA:

User Role: Data Submitter
Assigned Studies: ALEXIS-CA, TEST-CA