Photos app broken with oracle

[nickvergessen]

1) OCA\Photos\Tests\Album\AlbumMapperTest::testCreateGet
OC\DB\Exceptions\DbalException: An exception occurred while executing a query: ORA-01400: cannot insert NULL into ("AUTOTEST"."oc_photos_albums"."location")
Help: https://docs.oracle.com/error-help/db/ora-01400/

/home/runner/actions-runner/_work/photos/photos/lib/private/DB/Exceptions/DbalException.php:54
/home/runner/actions-runner/_work/photos/photos/lib/private/DB/ConnectionAdapter.php:67
/home/runner/actions-runner/_work/photos/photos/lib/private/DB/QueryBuilder/QueryBuilder.php:291
/home/runner/actions-runner/_work/photos/photos/apps/photos/lib/Album/AlbumMapper.php:65
/home/runner/actions-runner/_work/photos/photos/apps/photos/tests/Album/AlbumMapperTest.php:121

The column is defined as "Not null" but we try to store empty strings. Empty strings are null in oracle. So either we need to always provide a value, or make the column nullable

[sorbaugh]

@yemkareems could you please take a look 🙏