feat: added new calc flag Calc::CALCULATION_COMPLETE -> pricaefactor are able to set a product price, now

if payment status is paid, take it immediately and do not query any transactions

fix: calculation and check of sum calculation changed to calculations array; Order doesnt have a sum attribute

fix: Brutto Netto Kontrolliert -> Benutzer richtig durchgeschläust; ERP Address -> equivalent zu User Address