[BUGFIX] Add path to requireJS cache identifier

The path to the current TYPO3 installation is
now taken into account when generating the cache
identifier for requireJS to generate correct relative
paths for sub-directory and domain based calls to
the backend.

Resolves: #78740
Releases: master
Change-Id: Iaa82494b6a8c1945aa2deba98b39ac55b5da06ed
Reviewed-on: https://review.typo3.org/52340


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Thomas Hohn <thomas@hohn.dk>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Philipp Gampe <philipp.gampe@typo3.org>
Tested-by: Philipp Gampe <philipp.gampe@typo3.org>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Tobias Hüske <t.hueske@mittwald.de>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Tested-by: Frank Naegler <frank.naegler@typo3.org>