fix: convert_hf_to_gguf - map new mistral-common valid_tokenizer_files output to avoid crash with --mistral-format#17712

CISC merged 5 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

SmartestWashingMachine:fix_mistral_format_conversionSmartestWashingMachine/llama.cpp:fix_mistral_format_conversionCopy head branch name to clipboard