[yzhautouskay]

What does this PR do?

Ignore the auxiliary input_scale and weight_scale keys exported for vLLM-Omni/SGLang when loading Cosmos3 in Diffusers. Preserve warnings for unrelated unexpected weights and add regression coverage

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[github-actions]

Hi @yzhautouskay, thanks for the PR! It does not appear to link an issue it fixes. If this PR addresses an existing issue, please add a closing keyword (e.g. Fixes #1234) to the PR description so the issue is linked. See the contribution guide for more details. If this PR intentionally does not fix a tracked issue, a maintainer can add the no-issue-needed label to silence this reminder.

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