Force 1Password to pop up for specific sites

There are some authentication flows where 1Password does not automatically pop up. Specifically, in enterprise flows where an only an email field is collected to first determine if a password or another method is required.

An example is here: https://identity.flatfile.com/oauth/account/login

I have the https://identity.flatfile.com site saved in my login, but 1P does not popup. Perhaps it is that the field itself is not properly formatted as an email field such that 1P detects it. Is it possible to configure 1P such that it would detect it?

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1Password Version: 8.10.30
Extension Version: 2.23.3
OS Version: MacOS 14.4.1
Browser: Chrome