[Feature] Log input text instead of input_ids when using openai chat apis

Checklist

[X] 1. I have searched related issues but cannot get the expected help.
[X] 2. The bug has not been fixed in the latest version.
[X] 3. Please note that if the bug-related issue you submitted lacks corresponding environment info and a minimal reproducible demo, it will be challenging for us to reproduce and resolve the issue, reducing the likelihood of receiving feedback.
[X] 4. If the issue you raised is not a bug but a question, please raise a discussion at https://github.com/sgl-project/sglang/discussions/new/choose Otherwise, it will be closed.
[X] 5. Please use English, otherwise it will be closed.

Describe the bug

I checked the docker logs and tried to find the request text in the logs, but the logs showed text=None, but input_ids was returned. I want it to display the request text directly. What parameters should I add when starting it?

docker Logs：

in=GenerateReqInput(text=None, input_ids=[151644, 8948, 198, 2610, 525, 264, 10950, 17847, 13, 151645, 198, 151644, 872, 198, 108386, 151645, 198, 151644, 77091, 198], image_data=None, sampling_params={'temperature': 0.0, 'max_new_tokens': None, 'min_new_tokens': 0, 'stop': [], 'stop_token_ids': [], 'top_p': 1.0, 'presence_penalty': 0.0, 'frequency_penalty': 0.0, 'repetition_penalty': 1.0, 'regex': None, 'n': 1}, rid='640143780ce94c81a56689020f8a5b09', return_logprob=False, logprob_start_len=-1, top_logprobs_num=0, return_text_in_logprobs=True, stream=False, modalities=[], is_single=True, lora_path=None), out={'text': '你好，有什么我可以帮助你的吗？', 'meta_info': {'prompt_tokens': 20, 'completion_tokens': 9, 'completion_tokens_wo_jump_forward': 9, 'finish_reason': {'type': 'stop', 'matched': 151645}, 'id': '640143780ce94c81a56689020f8a5b09'}, 'index': 0} INFO: 172.18.0.1:59398 - "POST /v1/chat/completions HTTP/1.1" 200 OK

Reproduction

docker run：

docker run -itd --name n72 --runtime nvidia --gpus '"device=0,1,2,6"' \ -p 1090:30000 \ -v /mnt/data1/home/fusion_large:/32k \ --ipc=host \ lmsysorg/sglang:latest \ python3 -m sglang.launch_server --model-path /32k --host 0.0.0.0 --port 30000 --dtype bfloat16 --tensor-parallel-size 4 --served-model-name cosmic-32k --log-requests

Environment

Image： sglang v0.3.0

OS： cat /etc/os-release NAME="TencentOS Server" VERSION="2.4" ID="tencentos" ID_LIKE="rhel fedora centos tlinux" VERSION_ID="2.4" PRETTY_NAME="TencentOS Server 2.4" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:tencentos:tencentos:2" HOME_URL="https://cloud.tencent.com/product/ts"

sgl-project / sglang