Firefox manually add sites to Multi-account containers

If a site is redirected to another site as for login, and temporary containers is on to protect us from just these things, this can prevent us from ever logging into that site. in Banking container. When i log in, it redirects to, which opens in a temporary container, then redirects me back to the original banking web site.

I need to add to the Banking container so that the login can complete successfully.

Somehow, no one else has my problem, or even my request:

I made my plea: