[examples][model] fix: add Qwen2.5-Omni examples and fix vision encoder inference#2965

yaoyu-33 merged 4 commits intomainNVIDIA-NeMo/Megatron-Bridge:mainfrom

yuya/qwen25-omni-examples-fixNVIDIA-NeMo/Megatron-Bridge:yuya/qwen25-omni-examples-fixCopy head branch name to clipboard