Pcl for cosmics: specialize PromptCalibProd streams for running only cosmic friendly workflows

Add the missing pieces to be able to assemble a working configuration for PCL @ Tier0 when running the "cosmics" scenario. A new PromptCalibProsSiStrip stream has been added to decouple the BeamSpot workflow from the SiStrip bad-channel one. This is needed to test the infrastructure during cosmics data taking (e.g. April GR)