Revert "[TASK] Keep old value on confirmation modal close"

This reverts commit c529deac.

The patch only addressed a single use-case. In favour of a more
generic approach mentioned change has been reverted.

Reverts: #89220
Resolves: #89362
Releases: master, 9.5
Change-Id: I5632db8f5852900b37db473709ddeee4c1ad1d36
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/61912


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Tested-by: Tobi Kretschmann <tobi@tobishome.de>
Reviewed-by: Sascha Rademacher <sascha.rademacher+typo3@gmail.com>
Reviewed-by: Tobi Kretschmann <tobi@tobishome.de>