[Due for payment 2026-01-29] [Domain Control] [Release 1] Test and release the admins page for customers

[mountiny]

Part of #76750

Final checks and tests on the Admins feature before we release it, enable the admins feature in the domain settings and let QA do final round of tests and add regression testing

[melvin-bot]

Triggered auto assignment to @johncschuster (Bug), see https://stackoverflow.com/c/expensify/questions/14418 for more details. Please add this bug to a GH project, as outlined in the SO.