Description
Your use case
What would you like to do?
When opening the invite dialog for a local server only room (m.federate: false in the create event), I should not see suggestions for users who I can't send invites to.
Why would you like to do it?
So I don't get confusing errors when I try to invite those users.
How would you like to achieve it?
Hide any automatic suggestions, but possibly if I search for a user then a little UI hint to say that the user is external and won't be able to join. Similar to gmail's "This user is external to your organization - be careful!" note.
Have you considered any alternatives?
No response
Additional context
Split from #18792