CheckShardFilteringMetadata requires the balancer to be stop in order to be able to perform its checks. This is usually the case because previous hooks already stop it (e.g. this one here). However, if previous hooks are skipped (as is the case for 'checkOrphansAreDeleted' on the sharding_continuous_config_stepdown suite), then CheckShardFilteringMetadata will end up running with balancer enabled.

This ticket is to ensure CheckShardFilteringMetadata is always run with balancer stopped.