Fix "Projects mode" looking broken if the startup project is "wrong"
Fix "Projects mode" looking broken if the startup project is "wrong"

E.g. this could happen if a session with two projects is opened, where
the startup project no longer exists.

Change-Id: I1c60bacb62b5f39f7830a3bc30e3aa388a825884
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@nokia.com>

kuba1/qtcreator,amyvmiwei/qt-creator,malikcjm/qtcreator,xianian/qt-creator,farseerri/git_code,colede/qtcreator,colede/qtcreator,Distrotech/qtcreator,AltarBeastiful/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,richardmg/qtcreator,maui-packages/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,xianian/qt-creator,richardmg/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,malikcjm/qtcreator,omniacreator/qtcreator,maui-packages/qt-creator,malikcjm/qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,xianian/qt-creator,darksylinc/qt-creator,danimo/qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,KDE/android-qt-creator,duythanhphan/qt-creator,maui-packages/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,duythanhphan/qt-creator,kuba1/qtcreator,KDE/android-qt-creator,syntheticpp/qt-creator,syntheticpp/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,darksylinc/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,omniacreator/qtcreator,danimo/qt-creator,xianian/qt-creator,duythanhphan/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,richardmg/qtcreator,malikcjm/qtcreator,farseerri/git_code,farseerri/git_code,duythanhphan/qt-creator,omniacreator/qtcreator,malikcjm/qtcreator,KDE/android-qt-creator,syntheticpp/qt-creator,darksylinc/qt-creator,KDE/android-qt-creator,duythanhphan/qt-creator,xianian/qt-creator,farseerri/git_code,kuba1/qtcreator,colede/qtcreator,kuba1/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,omniacreator/qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,duythanhphan/qt-creator,Distrotech/qtcreator,darksylinc/qt-creator,Distrotech/qtcreator,KDE/android-qt-creator,farseerri/git_code,KDE/android-qt-creator,danimo/qt-creator,syntheticpp/qt-creator,kuba1/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,syntheticpp/qt-creator,syntheticpp/qt-creator,duythanhphan/qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,richardmg/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,darksylinc/qt-creator,AltarBeastiful/qt-creator,martyone/sailfish-qtcreator,richardmg/qtcreator,amyvmiwei/qt-creator,KDE/android-qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,colede/qtcreator,farseerri/git_code,malikcjm/qtcreator,kuba1/qtcreator,danimo/qt-creator,danimo/qt-creator,amyvmiwei/qt-creator,richardmg/qtcreator,syntheticpp/qt-creator,colede/qtcreator,farseerri/git_code,darksylinc/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code