FlatModel: Sort file nodes according to displaname first
FlatModel: Sort file nodes according to displaname first

So far the filename and displayname was the same for all filenodes. That
changes with the ResourceNodes, so adjust the flatmodel.

Task-number: QTCREATORBUG-11590

Change-Id: Id5a7ecda8963b64a6ebccc589b38f428366da3fd
Reviewed-by: Tobias Hunger <012f8d714267bccc9d4766fbeace9f175fcc70c4@digia.com>

amyvmiwei/qt-creator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,darksylinc/qt-creator,omniacreator/qtcreator,farseerri/git_code,xianian/qt-creator,darksylinc/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,xianian/qt-creator,kuba1/qtcreator,danimo/qt-creator,Distrotech/qtcreator,omniacreator/qtcreator,kuba1/qtcreator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,xianian/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,colede/qtcreator,farseerri/git_code,danimo/qt-creator,Distrotech/qtcreator,danimo/qt-creator,kuba1/qtcreator,kuba1/qtcreator,AltarBeastiful/qt-creator,maui-packages/qt-creator,danimo/qt-creator,kuba1/qtcreator,farseerri/git_code,amyvmiwei/qt-creator,darksylinc/qt-creator,amyvmiwei/qt-creator,maui-packages/qt-creator,xianian/qt-creator,darksylinc/qt-creator,colede/qtcreator,kuba1/qtcreator,omniacreator/qtcreator,Distrotech/qtcreator,colede/qtcreator,danimo/qt-creator,danimo/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,maui-packages/qt-creator,farseerri/git_code,darksylinc/qt-creator,maui-packages/qt-creator,farseerri/git_code,Distrotech/qtcreator,maui-packages/qt-creator,amyvmiwei/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,colede/qtcreator,AltarBeastiful/qt-creator,omniacreator/qtcreator,xianian/qt-creator,colede/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,farseerri/git_code,danimo/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,xianian/qt-creator,Distrotech/qtcreator,xianian/qt-creator,omniacreator/qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,Distrotech/qtcreator,omniacreator/qtcreator,darksylinc/qt-creator,omniacreator/qtcreator,danimo/qt-creator,amyvmiwei/qt-creator,xianian/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code