[TASK] Route phantomjs through selenium again

There is some weird issue in the PHP internal web server
resulting in unexpected EOF in combination with phantomjs.
Having selenium in between seems to solve the issue for now.

Change-Id: I3d682d60e3962a2027c7b5b2d2e0971e828f14bf
Resolves: #75578
Releases: master
Reviewed-on: https://review.typo3.org/47647


Reviewed-by: Susanne Moog <typo3@susannemoog.de>
Tested-by: Susanne Moog <typo3@susannemoog.de>
Reviewed-by: Sascha Egerer <sascha@sascha-egerer.de>
Tested-by: Sascha Egerer <sascha@sascha-egerer.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>