Fix WelcomeDialog not to be replaced by another
Fix WelcomeDialog not to be replaced by another

String(currentPage) gave Dialog_QMLTYPE_17_QML_90(0x1f7a8f48) so
the "hacky instanceof" didn't actually work.

killruana/communi-sailfish,communi/communi-sailfish,kimmoli/communi-sailfish,communi/communi-sailfish,communi/communi-sailfish