Support activating a nested conda environment

[pedroaugustosmribeiro]

When selecting conda environments for activation, there is no option for adding keyword arguments for conda activate, like --stack for stacking (nesting) environments.
Please add this option con configuration JSON at least, so that more complex setups become usable.
https://conda.io/projects/conda/en/latest/user-guide/tasks/manage-environments.html#nested-activation

[github-actions]

Thanks for the feature request! We are going to give the community 60 days from when this issue was created to provide 7 👍 upvotes on the opening comment to gauge general interest in this idea. If there's enough upvotes then we will consider this feature request in our future planning. If there's unfortunately not enough upvotes then we will close this issue.