A number of commands override Command and CommandInvocation directly and parse the command objects themselves. Change these to use the tenantId present in the OpMsg when constructing the NamespaceString and/or DatabaseName the command is run on. The following are the commands referred to:

• Find
• Explain
• GetMore
• Pipeline

Most, if not all, of these have an IDL definition defined for the command. However, there's some extra logic around parsing - as part of this ticket, look into whether we can just convert any of the commands with an IDL definition to a TypedCommand and get rid of the special logic.