Project displays incorrect mirror role

Summary

Project configured for push mirroring to another server incorrectly displays that it is mirrored from that project.

Steps to reproduce

Set up "push" mirroring to another project (in our case, a project on another server).

What is the current bug behavior?

Source project landing page states that it is mirrored from the target project.

What is the expected correct behavior?

Source project probably should not say anything about mirroring.

Relevant logs and/or screenshots

Output of checks

See #9407 (closed) -- same server

Results of GitLab environment info

See #9407 (closed) -- same server