do not replicate shard by default if custom initial state is used#8193
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timvisee
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When we create a new shard key, we follow a replication factor configured on the collection level.
However, the workflow of tiered multitenancy requires to create a shard in Partial state and then transfer data into it.
We can't however, transfer into replicated shard, we need to first transfer into one shard and then replicate.
This PR changes the default replication factor to 1 in case we create a shard key with non-default initial state.
It still allows to choose replication factor explicitly if needed.