[BUG] AgGrid theme different from Streamlit theme

[Hoffelhas]

Describe the bug
Normally the AgGrid theme is similar to the Streamlit app theme, but I noticed that after updating from 1.0.5 to 1.1.0, the AgGrid theme is mismatching.

To Reproduce
I used this as small working example:

from st_aggrid import AgGrid
import pandas as pd

df = pd.DataFrame({"Column A": [1, 2, 3], "Column B": [4, 5, 6]})

AgGrid(df)

With Version 1.0.5 it looks like this:

With version 1.1.0 it looks like this:

Forcing the theme like this doesn't seem to change anything:
AgGrid(df, theme="streamlit")

Expected behavior
I'd expect the default behaviour of the AgGrid theme to match the streamlit theme as the previous version.

live code
Py.cafe example with 1.0.5

Py.cafe example with 1.1.0