Fix shape mismatch on the masked_tokens param in decoder masked multi-head attention kernel. #773
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This PR addresses an inconsistency in the shape of the masked_tokens array within the decoder's masked multi-head attention kernel. The expected shape of the masked_tokens array is [batch_size, session_length], however, the current implementation in the repo has it shaped as [batch_size, memory_length]. This discrepancy leads to unexpected behaviors when memory_length is not configured to be the same as session_length.