[BUGFIX] Add field static_page_arguments to group by of query

With #86994 a new field has been added to the database table
`index_phash`. This fields needs to be added to the GROUP BY
statement as well.

Resolves: #87855
Releases: master, 9.5
Change-Id: I7b5270434b152e463ccf36886d963017fa6ad548
Reviewed-on: https://review.typo3.org/c/59972
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Susanne Moog <susanne.moog@typo3.org>
Tested-by: Benni Mack <benni@typo3.org>
Reviewed-by: Josef Glatz <josef.glatz@typo3.org>
Reviewed-by: Susanne Moog <susanne.moog@typo3.org>
Reviewed-by: Benni Mack <benni@typo3.org>

typo3/sysext/indexed_search/Classes/Domain/Repository/IndexSearchRepository.php

@@ -1020,7 +1020,8 @@ protected function execFinalQuery($list, $freeIndexUid = -1)
                 'IP.externalUrl',
                 'IP.recordUid',
                 'IP.freeIndexUid',
-                'IP.freeIndexSetId'
+                'IP.freeIndexSetId',
+                'IP.static_page_arguments'
             );
 
         // Setting up methods of filtering results