fix: filter multimodal content from log samples while preserving metadata#962

Luodian merged 3 commits intomainEvolvingLMMs-Lab/lmms-eval:mainfrom

fix/filter-multimodal-content-in-log-samplesEvolvingLMMs-Lab/lmms-eval:fix/filter-multimodal-content-in-log-samplesCopy head branch name to clipboard