Slightly different preprint variants: https://arxiv.org/abs/2406.13742 https://arxiv.org/abs/2406.13742 https://arxiv.org/abs/2406.13740v2 https://arxiv.org/a

Slightly different preprint variants: https://arxiv.org/abs/2406.13742 https://arxiv.org/abs/2406.13742 https://arxiv.org/abs/2406.13740v2 https://arxiv.org/abs/2406.13740v2