[🚀 | Feature request]: Add warning message when a workspace has a single OWNER

[Landeers]

What you would like to accomplish

No response

How the feature should work

A message should appear when an OWNER :

• accesses a workspace where he/she is the sole owner
• withdraws an owner's rights and becomes the only remaining owner

Describe alternatives you have considered

No response

[Max-7]

Currently displayed in the workspace sharing dialog.