[476324] Make EditModeDecorator not visible at diagram export/print

Override AbstractSiriusDecorator.shouldBeVisibleAtPrint() method in
EditModeDecorator to exclude decoration at diagram export/print.

Bug: 476324
Change-Id: I7a690f88d7055f49e756169b235d3a91349733f8
Signed-off-by: Laurent Fasani <laurent.fasani@obeo.fr>
1 file changed