Added module globals in transport.py for RaetChannel so that in multi-master jobber yard know which master
initiated job so that it can respond to the correct estate

Fixed typos

Fixed lint errors
salt-call usage of RaetChannel also needs to go to master that motivated the call
Fixed
Revert salt-call usage change for RAETChannel as it didn't fix completely and normal targeting was wonky
Reinstate salt-call RAETChannel dst
Merge remote-tracking branch 'upstream/develop' into sam_dev1
Merge pull request #17058 from SmithSamuelM/sam_dev1

Better support (but not complete) for Mult-Masters on Salt Raet