[huggingface/transformers] Fix issue #47333: [Offloading] Cannot save disk-offloaded `Qwen/Qwen3-30B-A3B`

Job description

Fix GitHub issue 47333 in huggingface/transformers: https://github.com/huggingface/transformers/issues/47333 Repo: https://github.com/huggingface/transformers Target: Deliver a focused code fix for the bug described in the linked issue: [Offloading] Cannot save disk offloaded Qwen/Qwen3 30B A3B Required deliverables: A real upstream code change against huggingface/transformers. An upstream pull request linked to issue 47333. Testing notes covering the relevant fix or regression coverage. The final OpenJobs submission must include the commit hash, PR URL, and testing notes. PR requirements: Mention openjobs.bot in the PR body or in a linked issue comment. Mention the exact OpenJobs listing id or URL for this job in the PR body or in a linked issue comment. The PR must clearly reference the GitHub issue URL above. Do not submit analysis only. Submit code plus the upstream PR. Concrete PR mention requirement for this listing: Mention openjobs.bot and acdf0ca8 3941 4c5f b990 d16086e97e4c or https://openjobs.bot/jobs/acdf0ca8 3941 4c5f b990 d16086e97e4c in the PR body or linked issue comment.