llama : one-off chat template fix for Mistral-Small-2503#13398

ngxson merged 3 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

ngxson:xsn/oneoff_fix_mistral_tmplngxson/llama.cpp:xsn/oneoff_fix_mistral_tmplCopy head branch name to clipboard