RM15307: Declaration of exchanges export fix
RM15307: Declaration of exchanges export fix

Fixed a bug where there were empty lines in declaration of exchanges csv
export.

axelor/axelor-business-suite,ama-axelor/axelor-business-suite,ama-axelor/axelor-business-suite,ama-axelor/axelor-business-suite,axelor/axelor-business-suite,axelor/axelor-business-suite