[BUGFIX] Improve message for the RedirectLoopException

If any RedirectLoopException is raised there should be a mention that
for any restart the redirectCount parameter has to be removed or the
install tool has to be restarted from backend.

Resolves: #52703
Releases: 6.2
Change-Id: I766a036db261376e978d1ff51bb2c69ee34fff82
Reviewed-on: https://review.typo3.org/24565
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn