Bug 19538: Move EnableAdvancedCatalogingEdtor from 'Labs' to 'Cataloging'

Bug 19538: Move EnableAdvancedCatalogingEdtor from 'Labs' to 'Cataloging'

To test:
1 - View sysprefs
2 - Note 'Labs' tab
3 - Note EnableAdvancedCatalogingEditor is the only pref there
4 - Note that prefs works
5 - Apply patch
6 - Note 'Labs' tba is gone
7 - Check the 'Cataloging' tab (under Interface)
8 - There it is!
9 - Verify it still works

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Maksim Sen <maksim.sen@inlibro.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>