[bugfix] For the XML:DB Local API, make it the default to join the existing transacton if present
[bugfix] For the XML:DB Local API, make it the default to join the existing transacton if present

olvidalo/exist,eXist-db/exist,ambs/exist,ljo/exist,adamretter/exist,hungerburg/exist,lcahlander/exist,adamretter/exist,opax/exist,adamretter/exist,ambs/exist,lcahlander/exist,ambs/exist,wolfgangmm/exist,eXist-db/exist,dizzzz/exist,hungerburg/exist,adamretter/exist,windauer/exist,lcahlander/exist,wolfgangmm/exist,hungerburg/exist,windauer/exist,opax/exist,eXist-db/exist,adamretter/exist,ljo/exist,dizzzz/exist,olvidalo/exist,ljo/exist,ambs/exist,olvidalo/exist,lcahlander/exist,lcahlander/exist,dizzzz/exist,hungerburg/exist,dizzzz/exist,windauer/exist,ambs/exist,windauer/exist,windauer/exist,olvidalo/exist,olvidalo/exist,opax/exist,eXist-db/exist,ljo/exist,windauer/exist,opax/exist,eXist-db/exist,opax/exist,ambs/exist,wolfgangmm/exist,wolfgangmm/exist,wolfgangmm/exist,lcahlander/exist,adamretter/exist,ljo/exist,dizzzz/exist,wolfgangmm/exist,hungerburg/exist,ljo/exist,eXist-db/exist,dizzzz/exist