Add batch methods in user backends

[CarlSchwan]

This allows for faster group search with significantly less DB traffic

Splited from #32201 for easier review

[github-actions[bot]]

Possible performance regression detected

Show Output

2 queries added

= /remote.php/dav/files/test
= /remote.php/dav/files/test/test.txt
≠ /remote.php/dav/files/test/many_files with 1 queries added
  + UPDATE "oc_preferences" SET "configvalue" = :dcValue1 WHERE ("userid" = :dcValue2) AND ("appid" = :dcValue3) AND ("configkey" = :dcValue4)
≠ /remote.php/dav/files/test/new_file.txt with 1 queries added
  + UPDATE "oc_preferences" SET "configvalue" = :dcValue1 WHERE ("userid" = :dcValue2) AND ("appid" = :dcValue3) AND ("configkey" = :dcValue4)
= /remote.php/dav/files/test/new_file.txt

[CarlSchwan]

Failing tests are related

[come-nc]

Discussed this internally, should be moved to a new interface.

[come-nc]

Discussed this internally, should be moved to a new interface.

Added the interface, rebased, fixed tests and psalm reports.