Help: Fixed that external help window didn't get focus
Help: Fixed that external help window didn't get focus

When opening examples. Testable by pressing F1 or trying to scroll in
the viewer with keyboard directly after it opened.

Change-Id: I6a2d4535daf38936140e1d1488cb78fb2e9019e3
Reviewed-by: Karsten Heimrich <81d67632fe4bf9afb88a400b41aa25e19a1d2a12@digia.com>

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