Pass ShortcutOverride events to base class in BaseTextEditorWidget.
Pass ShortcutOverride events to base class in BaseTextEditorWidget.

Task-number: QTCREATORBUG-9820
Change-Id: I34493bf655cc2c5bc21d6dadbe2cf668093cfa0a
Reviewed-by: Eike Ziller <c142da16c73a95a82d35191bcc55b22835617128@digia.com>

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