[BUGFIX] Show correct file reference information

This patch corrects how file references (from softrefs) are stored in
sys_refindex table as this was changed with patch
https://review.typo3.org/53219/.

Resolves: #81831
Related: #80991
Related: #80988
Releases: master, 8.7
Change-Id: I776d2db47dffd83217a3c5527860093ddbca58c6
Reviewed-on: https://review.typo3.org/55158


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Joerg Boesche <typo3@joergboesche.de>
Reviewed-by: Benjamin Kluge <b.kluge@neusta.de>
Tested-by: Benjamin Kluge <b.kluge@neusta.de>
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Reiner Teubner <reiner.teubner@me.com>
Tested-by: Reiner Teubner <reiner.teubner@me.com>
Reviewed-by: Henning Liebe <h.liebe@neusta.de>
Tested-by: Henning Liebe <h.liebe@neusta.de>
Reviewed-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Tested-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>