Fix project management quarantined specs

What does this MR do and why?

This MR fixes some quarantined feature specs within the groupproject management group.

Issues: #28634 (closed), #233376 (closed), #254644 (closed), #414877

Screenshots or screen recordings

How to set up and validate locally

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.