[BUGFIX] Allow functions in foreign_table_where clause

The parser for foreign_table_where consists of
a basic regex that did not allow the use of field
functions due to its character restrictions.

The character match group has been adjusted to allow
the following chars additionally: ")(

Resolves: #82955
Resolves: #88166
Releases: master, 9.5
Change-Id: I0fa9283d920a0aaf2bacf9168d0e35f09c3d57af
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/63755


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Guido Schmechel <guido.schmechel@brandung.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>