fix Qwen Image Transformer single file loading mapping function to be consistent with other loader APIs#12894

DN6 merged 2 commits intohuggingface:mainhuggingface/diffusers:mainfrom

mbalabanski:fix-qwen-single-file-loading-arg-passingmbalabanski/diffusers:fix-qwen-single-file-loading-arg-passingCopy head branch name to clipboard