Debugger: Avoid 'start debugging' action being enabled why debugging
Debugger: Avoid 'start debugging' action being enabled why debugging

Don't let updateDebugActions() (triggered e.g. by project changes)
mess with the state fo the Start Debugger, Step, Next actions while
an engine is running.

Change-Id: I08ee20c70f9ff712f928f8ba04ac3d60d5669f11
Task-number: QTCREATORBUG-6290
Reviewed-by: hjk <6fac1c92f5b9c7890a04d7f8a9d8912d16355eac@ovi.com>

martyone/sailfish-qtcreator,KDE/android-qt-creator,KDAB/KDAB-Creator,jonnor/qt-creator,bakaiadam/collaborative_qt_creator,Distrotech/qtcreator,malikcjm/qtcreator,malikcjm/qtcreator,xianian/qt-creator,colede/qtcreator,ostash/qt-creator-i18n-uk,ostash/qt-creator-i18n-uk,colede/qtcreator,ostash/qt-creator-i18n-uk,danimo/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,martyone/sailfish-qtcreator,richardmg/qtcreator,syntheticpp/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,danimo/qt-creator,bakaiadam/collaborative_qt_creator,KDE/android-qt-creator,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,malikcjm/qtcreator,syntheticpp/qt-creator,hdweiss/qt-creator-visualizer,bakaiadam/collaborative_qt_creator,AltarBeastiful/qt-creator,kuba1/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,malikcjm/qtcreator,ostash/qt-creator-i18n-uk,malikcjm/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,richardmg/qtcreator,maui-packages/qt-creator,richardmg/qtcreator,hdweiss/qt-creator-visualizer,xianian/qt-creator,omniacreator/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,farseerri/git_code,danimo/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,KDE/android-qt-creator,KDAB/KDAB-Creator,jonnor/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,hdweiss/qt-creator-visualizer,kuba1/qtcreator,jonnor/qt-creator,hdweiss/qt-creator-visualizer,xianian/qt-creator,amyvmiwei/qt-creator,colede/qtcreator,Distrotech/qtcreator,colede/qtcreator,AltarBeastiful/qt-creator,Distrotech/qtcreator,xianian/qt-creator,maui-packages/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,danimo/qt-creator,jonnor/qt-creator,azat/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,bakaiadam/collaborative_qt_creator,syntheticpp/qt-creator,danimo/qt-creator,maui-packages/qt-creator,azat/qtcreator,azat/qtcreator,danimo/qt-creator,farseerri/git_code,omniacreator/qtcreator,darksylinc/qt-creator,syntheticpp/qt-creator,martyone/sailfish-qtcreator,syntheticpp/qt-creator,hdweiss/qt-creator-visualizer,amyvmiwei/qt-creator,KDAB/KDAB-Creator,martyone/sailfish-qtcreator,duythanhphan/qt-creator,malikcjm/qtcreator,omniacreator/qtcreator,AltarBeastiful/qt-creator,danimo/qt-creator,duythanhphan/qt-creator,omniacreator/qtcreator,darksylinc/qt-creator,richardmg/qtcreator,KDAB/KDAB-Creator,amyvmiwei/qt-creator,farseerri/git_code,amyvmiwei/qt-creator,darksylinc/qt-creator,maui-packages/qt-creator,farseerri/git_code,duythanhphan/qt-creator,ostash/qt-creator-i18n-uk,danimo/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,KDE/android-qt-creator,kuba1/qtcreator,azat/qtcreator,duythanhphan/qt-creator,azat/qtcreator,KDE/android-qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,azat/qtcreator,KDE/android-qt-creator,kuba1/qtcreator,ostash/qt-creator-i18n-uk,omniacreator/qtcreator,farseerri/git_code,xianian/qt-creator,colede/qtcreator,richardmg/qtcreator,kuba1/qtcreator,KDE/android-qt-creator,ostash/qt-creator-i18n-uk,amyvmiwei/qt-creator,KDE/android-qt-creator,duythanhphan/qt-creator,martyone/sailfish-qtcreator,darksylinc/qt-creator,danimo/qt-creator,hdweiss/qt-creator-visualizer,omniacreator/qtcreator,bakaiadam/collaborative_qt_creator,maui-packages/qt-creator,KDAB/KDAB-Creator,duythanhphan/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,jonnor/qt-creator,farseerri/git_code,KDAB/KDAB-Creator,syntheticpp/qt-creator,bakaiadam/collaborative_qt_creator,syntheticpp/qt-creator,farseerri/git_code,xianian/qt-creator,duythanhphan/qt-creator,jonnor/qt-creator,Distrotech/qtcreator,maui-packages/qt-creator,Distrotech/qtcreator,amyvmiwei/qt-creator