Fix ambiguous shortcuts in the Git submit editor.
Fix ambiguous shortcuts in the Git submit editor.

Task-number: QTCREATORBUG-7965
Change-Id: I4f1988a1f3bac7afe1d7195a74bdb874b1041344
Reviewed-by: Robert Loehning <1f928983f879a6fe326acd94487f754cc16e1fe4@digia.com>
Reviewed-by: Christian A. Reiter <de95a06477bcf299902a061324a29c3b4fb209b2@gmail.com>

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