QmlJS: Don't append colons when completing namespaced types.
QmlJS: Don't append colons when completing namespaced types.

Task-number: QTCREATORBUG-1604

maui-packages/qt-creator,syntheticpp/qt-creator,richardmg/qtcreator,bakaiadam/collaborative_qt_creator,ostash/qt-creator-i18n-uk,Distrotech/qtcreator,KDE/android-qt-creator,sandsmark/qtcreator-minimap,sandsmark/qtcreator-minimap,jonnor/qt-creator,maui-packages/qt-creator,azat/qtcreator,ostash/qt-creator-i18n-uk,hdweiss/qt-creator-visualizer,duythanhphan/qt-creator,pcacjr/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,colede/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,KDAB/KDAB-Creator,colede/qtcreator,darksylinc/qt-creator,kuba1/qtcreator,sandsmark/qtcreator-minimap,xianian/qt-creator,richardmg/qtcreator,KDE/android-qt-creator,malikcjm/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,farseerri/git_code,duythanhphan/qt-creator,syntheticpp/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,syntheticpp/qt-creator,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,duythanhphan/qt-creator,bakaiadam/collaborative_qt_creator,bakaiadam/collaborative_qt_creator,KDE/android-qt-creator,omniacreator/qtcreator,yinyunqiao/qtcreator,amyvmiwei/qt-creator,ostash/qt-creator-i18n-uk,KDAB/KDAB-Creator,dmik/qt-creator-os2,azat/qtcreator,jonnor/qt-creator,Distrotech/qtcreator,AltarBeastiful/qt-creator,malikcjm/qtcreator,xianian/qt-creator,renatofilho/QtCreator,omniacreator/qtcreator,dmik/qt-creator-os2,duythanhphan/qt-creator,pcacjr/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,sandsmark/qtcreator-minimap,KDE/android-qt-creator,omniacreator/qtcreator,renatofilho/QtCreator,ostash/qt-creator-i18n-uk,xianian/qt-creator,richardmg/qtcreator,dmik/qt-creator-os2,renatofilho/QtCreator,xianian/qt-creator,darksylinc/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,omniacreator/qtcreator,bakaiadam/collaborative_qt_creator,darksylinc/qt-creator,darksylinc/qt-creator,kuba1/qtcreator,azat/qtcreator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,kuba1/qtcreator,xianian/qt-creator,kuba1/qtcreator,jonnor/qt-creator,sandsmark/qtcreator-minimap,bakaiadam/collaborative_qt_creator,KDE/android-qt-creator,KDAB/KDAB-Creator,martyone/sailfish-qtcreator,hdweiss/qt-creator-visualizer,kuba1/qtcreator,yinyunqiao/qtcreator,hdweiss/qt-creator-visualizer,kuba1/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,Distrotech/qtcreator,pcacjr/qt-creator,KDE/android-qt-creator,colede/qtcreator,danimo/qt-creator,richardmg/qtcreator,syntheticpp/qt-creator,renatofilho/QtCreator,xianian/qt-creator,farseerri/git_code,Distrotech/qtcreator,farseerri/git_code,azat/qtcreator,omniacreator/qtcreator,colede/qtcreator,kuba1/qtcreator,yinyunqiao/qtcreator,jonnor/qt-creator,bakaiadam/collaborative_qt_creator,yinyunqiao/qtcreator,xianian/qt-creator,ostash/qt-creator-i18n-uk,martyone/sailfish-qtcreator,syntheticpp/qt-creator,dmik/qt-creator-os2,yinyunqiao/qtcreator,malikcjm/qtcreator,danimo/qt-creator,renatofilho/QtCreator,dmik/qt-creator-os2,dmik/qt-creator-os2,kuba1/qtcreator,jonnor/qt-creator,KDAB/KDAB-Creator,AltarBeastiful/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,malikcjm/qtcreator,colede/qtcreator,KDE/android-qt-creator,farseerri/git_code,pcacjr/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,farseerri/git_code,farseerri/git_code,malikcjm/qtcreator,ostash/qt-creator-i18n-uk,colede/qtcreator,richardmg/qtcreator,Distrotech/qtcreator,richardmg/qtcreator,jonnor/qt-creator,malikcjm/qtcreator,pcacjr/qt-creator,amyvmiwei/qt-creator,dmik/qt-creator-os2,pcacjr/qt-creator,darksylinc/qt-creator,colede/qtcreator,renatofilho/QtCreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,syntheticpp/qt-creator,yinyunqiao/qtcreator,xianian/qt-creator,KDAB/KDAB-Creator,hdweiss/qt-creator-visualizer,duythanhphan/qt-creator,farseerri/git_code,pcacjr/qt-creator,omniacreator/qtcreator,omniacreator/qtcreator,farseerri/git_code,syntheticpp/qt-creator,azat/qtcreator,KDAB/KDAB-Creator,KDE/android-qt-creator,amyvmiwei/qt-creator,sandsmark/qtcreator-minimap,hdweiss/qt-creator-visualizer,danimo/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,amyvmiwei/qt-creator,yinyunqiao/qtcreator,ostash/qt-creator-i18n-uk,azat/qtcreator,malikcjm/qtcreator