[BUGFIX] DB check - search query, array handling on operator change

Exception is thrown when changing the operator from an array handling one
to a string handling. ("is in list" to "equals")
Also the selection is not set properly after changing.

Resolves: #88010
Releases: master, 9.5

Change-Id: Ibf7f607a51ac92d2c45dbfe16384f71c959e6c1f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/60342


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Tested-by: Daniel Windloff
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Mona Muzaffar <mona.muzaffar@gmx.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>