PR Summary

This fixes session reconnect regression bug: #11150.

PR Context

Invoke-Command creates a disconnected job object to facilitate session re-connection, when WinRM abruptly disconnects the session due to network issues. The EndProcessing() block was disposing the disconnected job object so that a session reconnect could not occur.

Fix is to add the checks back in the code which prevents EndProcessing() from disposing the disconnected job, and added comments explaining why the code checks are there.

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