Regression: ChatInterface `fill_height=True` stopped working (6.8.0 vs 5.50.0)

[hysts]

Describe the bug

gr.ChatInterface(fill_height=True) does not fill the available vertical space.

Have you searched existing issues? 🔎

• I have searched and found no existing issues

Reproduction

repro Space: https://huggingface.co/spaces/hysts-debug/chatinterface-fill-height

import gradio as gr

gr.ChatInterface(fn=lambda msg, hist: f"Echo: {msg}", fill_height=True).launch()

Screenshot

No response

Logs

System Info

gradio==6.8.0

Severity

I can work around it