VcsBase: Make Vcs Action active again when opening a project
VcsBase: Make Vcs Action active again when opening a project

Make Vcs actions active again when a project is opened but no
document is open.

Task-number: QTCREATORBUG-13609
Change-Id: I3d5accc3dc65412b1af5fc8c6a2baa9ac97c6e25
Reviewed-by: Friedemann Kleint <1b9f2592239daaec4856ccc1cfb4d2d55b35fb71@theqtcompany.com>
Reviewed-by: Orgad Shaneh <2b010cbad792a0c0a8175f752f93f83941fc6bc1@gmail.com>

amyvmiwei/qt-creator,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,Distrotech/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,Distrotech/qtcreator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,Distrotech/qtcreator,xianian/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,kuba1/qtcreator,danimo/qt-creator,Distrotech/qtcreator,danimo/qt-creator,AltarBeastiful/qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,kuba1/qtcreator,kuba1/qtcreator,Distrotech/qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,Distrotech/qtcreator,kuba1/qtcreator,AltarBeastiful/qt-creator,amyvmiwei/qt-creator,danimo/qt-creator,xianian/qt-creator,danimo/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,xianian/qt-creator,xianian/qt-creator,danimo/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,amyvmiwei/qt-creator,AltarBeastiful/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator