Fix preservation of page dirty class across page changes
Fix preservation of page dirty class across page changes

juhovuori/ocrui-client,anis-moubarik/ocrui-frontend,anis-moubarik/ocrui-frontend,juhovuori/ocrui-client,NatLibFi/ocrui-frontend,juhovuori/ocrui-client,NatLibFi/ocrui-frontend,anis-moubarik/ocrui-frontend,NatLibFi/ocrui-frontend,NatLibFi/ocrui-frontend,anis-moubarik/ocrui-frontend