[mlir][vector] Propagate scalability in TransferWriteNonPermutationLowering (#85632)

Updates `extendVectorRank` so that scalability in patterns
that use it (in particular, `TransferWriteNonPermutationLowering`),
is correctly propagated.


Closed related previous PR
https://github.com/llvm/llvm-project/pull/85270



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Signed-off-by: Crefeda Rodrigues <crefeda.rodrigues@arm.com>
Co-authored-by: Benjamin Maxwell <macdue@dueutil.tech>