Add test PRG plugin with SegmentRoute having :controller
Fix PRG plugin wrong redirection with SegmentRoute having :controller
Merge branch 'hotfix/4543'

Close #4543
Merge pull request #4561 from noopable/hotfix/post-redirect-get-controller-redirect

Fix the controller plugin PostRedirectGet wrong redirection (in MVC)
Merge branch 'hotfix/4561' into develop

Forward port #4561