[Codegen] Add expand slice swap pattern to TileAndDistributeToWorkgroups #20123
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Adds cleanup patterns to run during
tileConsumerAndFuseProducersUsingSCFin TileandDistributeToWorkgroupsUsingForall. The PR adds theSwapExtractWithExpandPattern, and some extra cleanup patterns for slices.This enables codegen for set_encoding ops on GPU, since the materialization of set_encoding contains an expand_shape that will block distribution tiling of the full dispatch.