[BUGFIX] Prevent loading jsfunc.inline.js twice

This patch fix a JS error on creating file references because of
loading jsfunc.inline.js twice.

Resolves: #84989
Related: #84969
Releases: master
Change-Id: I35c212025d399d53033abe8ca1c25d3db10bb4b1
Reviewed-on: https://review.typo3.org/56946


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>