VSN-2759/ remove UPDATE_PASSWORD Keycloak required action incompatible with Direct Access Grant
- Keycloak rejects token issuance via Direct Access Grant when UPDATE_PASSWORD is a pending required action, returning "invalid_grant: Account is not fully set up" which surfaces as Bad Credentials on the mobile app.
- First-login password change is handled at the application level (mobile app prompts the user after successful authentication), making the Keycloak-level enforcement redundant.