fix: handle empty or missing tool-call arguments in from_openai_dict_format#11972

bogdankostic merged 6 commits into

deepset-ai:maindeepset-ai/haystack:mainfrom

chuenchen309:fix/openai-toolcall-empty-argumentschuenchen309/haystack:fix/openai-toolcall-empty-argumentsCopy head branch name to clipboard