How to login into FireFox account at https://accounts.firefox.com/signin - by using Dashlane password manager extension in FireFox (assume that FireFox browser has Dashlane extension properly configured, and that Dashlane auto-login is working correctly with other sites, from FireFox browser)? It seems that login option is unavailable, but why? Why doesn't FireFox allow to have and use both? Or, at least - choose which one to use, and where? But specifically, on FireFox login? Can it be (at least) configured to work with 2FA hardware solutions, like with Yubico keys? Also, if I understood this correctly, FireFox Lockwise can import usernames and passwords only from other browsers - but not from password managers? So, let's assume that I want to import everything from Dashlane into FireFox Lockwise, how should I do that in a most secure way? And which data would NOT be imported? Thanks.