Fix bug where RMD stops working in a previously suspended launcher session.
Fix bug where RMD stops working in a previously suspended launcher session.

Closes #1425.

JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,JanMarvin/rstudio