make unopkg gui not ask to 'restart' on extension changes

Change-Id: I185527fcc4481ab2bd97ad81849ee38c6fa50919
Reviewed-on: https://gerrit.libreoffice.org/64167Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

desktop/source/deployment/gui/dp_gui_dialog2.cxx

@@ -1080,7 +1080,9 @@ bool ExtMgrDialog::Close()
     if (!m_bClosed && m_pManager->isModified())
     {
         m_pManager->clearModified();
-        Application::PostUserEvent(LINK(nullptr, ExtMgrDialog, Restart), m_xRestartParent);
+        //only suggest restart if we're actually running, e.g. not from standalone unopkg gui
+        if (dp_misc::office_is_running())
+            Application::PostUserEvent(LINK(nullptr, ExtMgrDialog, Restart), m_xRestartParent);
     }
     m_bClosed = true;
     return bRet;