Call URL in specific browser tab environment

A open-in-environment button or configureable browser environment for “open URL” would be nice.
Currently if I open an URL from the browser plugin It opens it in the default environment.

I use different environments (on firefox) to open e.g. outlook mail accounts from different customers in the same browser. Currently I have to copy the link, open a tab with the specific environment and paste the URL. So it would be helpful if the “open” button can open the URL not only in the default environment.
Either due to configured brwoser environment or something more flexible like the select menu firefox shows if I open a new tab: