Feature: Add Mambo-G Guidance as Guider (#12862)
* Feature: Add Mambo-G Guidance to Qwen-Image Pipeline
* change to guider implementation
* fix copied code residual
* Update src/diffusers/guiders/magnitude_aware_guidance.py
* Apply style fixes
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Co-authored-by: Pscgylotti <pscgylotti@github.com>
Co-authored-by: YiYi Xu <yixu310@gmail.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
