unmerge albums by using the paths of their tracks

Summary:
unmerge albums by using the paths of their tracks

fix typo in DatabaseInterface::getDuplicateTrackIdFromTitleAlbumTrackDiscNumber

fix some problems with database due to errors in foreign keys management

duplicate albums if they look like the same but have a different path
where there tracks are located

BUG: 394332

fix mediaplaylisttest.cpp automatic tests after fixing bugs in the db

Test Plan: tests are OK

Reviewers: astippich, januz

Reviewed By: astippich

Maniphest Tasks: T8953

Differential Revision: https://phabricator.kde.org/D13423