[BUGFIX] Use correct regular expression in FormDefinitionConversionService

Resolves: #92362
Releases: master, 10.4, 9.5
Change-Id: I9db655907b321bce70285e3201e8ea6a3bd205f3
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/66019


Tested-by: Markus Klein <markus.klein@typo3.org>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Markus Klein <markus.klein@typo3.org>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>

typo3/sysext/form/Classes/Domain/Configuration/FormDefinitionConversionService.php

@@ -56,7 +56,7 @@ class FormDefinitionConversionService implements SingletonInterface
             GeneralUtility::makeInstance(
                 ArrayProcessing::class,
                 'addHmacData',
-                '(^identifier$|renderables\.([\d]+).\identifier$)',
+                '(^identifier$|renderables\.([\d]+)\.identifier$)',
                 GeneralUtility::makeInstance(
                     AddHmacDataConverter::class,
                     $converterDto,