server: Enable transcriptions API for LFM2-Audio (#22000)

tools/server/server-context.cpp

@@ -3807,6 +3807,7 @@ void server_routes::init_routes() {
         std::vector<raw_buffer> files;
         json body = convert_transcriptions_to_chatcmpl(
             json::parse(req.body),
+            meta->chat_params.tmpls.get(),
             req.files,
             files);
         SRV_DBG("%s\n", "Request converted: OpenAI Transcriptions -> OpenAI Chat Completions");