Fix make_package on Mac
Fix make_package on Mac

Can now build the Mac setup DMG, however app doesn't work after install because it doesn't yet include QtWebEngineProcess.
JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio