Task - RBAC AuthZ - Implement users endpoint for Admin Console

[rodmgwgu]

Related Discovery: https://openedx.atlassian.net/wiki/spaces/OEPM/pages/6060310529/Spike+-+M2+-+Endpoints+for+new+Admin+Console+designs

Implement the user endpoint to be used in the Roles and Permissions Management (Global access) view.

Spec:

GET /api/authz/v1/users/

• Query params:
  • page_size: For pagination
  • page: For pagination
  • sort_by: Sorting by email or user name
  • search: For searching by email or user name
  • orgs: Comma separated list of orgs to filter by
  • scopes: Comma separated list of scopes to filter by
• Needs to filter to only show users with relevant assignments for orgs and scopes that the calling user has view access

TODO: Specify response fields, derive from Figma design.