Merge pull request #6137 from atm-maxime/mko_multicurrency_debug

htdocs/comm/propal/card.php

htdocs/comm/propal/class/propal.class.php

htdocs/commande/card.php

htdocs/commande/class/commande.class.php

htdocs/compta/facture.php

htdocs/core/class/commonobject.class.php

htdocs/fourn/class/fournisseur.commande.class.php

htdocs/fourn/class/fournisseur.facture.class.php

htdocs/fourn/commande/card.php

htdocs/fourn/facture/card.php