Space before tab fixes

apps/files/templates/part.breadcrumb.php

apps/files_external/templates/settings.php

apps/files_versions/appinfo/update.php

apps/files_versions/history.php

apps/user_ldap/tests/group_ldap.php

lib/app.php

lib/base.php

lib/db.php

lib/ocsclient.php

lib/public/json.php

lib/public/util.php

lib/setup.php

lib/template.php

lib/util.php

lib/vcategories.php