Fix for IPAL10509 : Color of nodes is lost: was yellow - now is like background.
Fix for IPAL10509 : Color of nodes is lost: was yellow - now is like background.

FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui,FedoraScientific/salome-gui