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There's no reason for the whole CrossAttention object to be repeated when
only the operation in the middle changes.

This node takes a list of sigmas and a sampler object as input.

This lets people easily implement custom schedulers and samplers as nodes.

More nodes will be added to it in the future.

cond and what is uncond.

Before I had made the last layer the penultimate layer because some
checkpoints don't have them but it's not consistent with the others models.

TLDR: for SD2.x models only: CLIPSetLastLayer -1 is now -2.