[Shardy] Fix scatter sharding rule. #112
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We can propagate sharding axes along all dimensions between scatter input and output. Before this cl, we only add factors for partial dimensions. We add factors for the remaining dimensions in this cl. PiperOrigin-RevId: 679782247
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[Shardy] Fix scatter sharding rule.
We can propagate sharding axes along all dimensions between scatter input and output. Before this cl, we only add factors for partial dimensions. We add factors for the remaining dimensions in this cl.