Inform about projects in a session that failed to load
Inform about projects in a session that failed to load

Inform the user about projects that failed to load as part
of a session.

Reviewed-by: dt

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