Integrate possibility to disable redirects on the fly
The felogin extensions does not use and proper namespace to transfer data back to the TYPO3 system. Thus, it's not clear whether felogin or any other frontend login extension with an expected different behaviour submitted data.
Imagine a different second login form performs some actions (e.g. in a checkout process) and redirects should be disabled in this specific case.
(issue imported from #M11460)