[TASK] Automatically select the custom preset when values are changed

If the user changes a field in a custom preset in the Install Tool
the custom preset's radio box must be selected too.

Resolves: #76365
Releases: master, 7.6
Change-Id: Iee499d61574e88ef094d690bea7ff827aa7507dc
Reviewed-on: https://review.typo3.org/48396


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Frank Naegler <frank.naegler@typo3.org>
Reviewed-by: Nicole Cordes <typo3@cordes.co>
Tested-by: Nicole Cordes <typo3@cordes.co>