If there is aHost block in ~/.ssh/config that matches the name used for the remote connection (for exampleHost *), this gets removed from the file when attempting to connect to a workspace.

I suspect this is caused by:

parsedConfig.remove({Host:computedHost.Host})

computedHost.Host would evaluate to theHost value from the first block that matched (* in my example). It would be safer to pass an explicit value to remove.