refactor: only apply readConcern to supported commands
refactor: only apply readConcern to supported commands

This is a stopgap until we are further along with the operation
layer refactorings. This whitelist of commands that support a
readConcern comes from the read concern specification.

mongodb/node-mongodb-native,mongodb/node-mongodb-native,mongodb/node-mongodb-native,mongodb/node-mongodb-native