Jupyter notebook renders a MultiIndex Dataframe misaligned

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The ipynb render struggles to keep this particular multiindex dataframe aligned:

current	expected

Ref gitlab-org/ai-powered/custom-models/cm-notebooks!2 (comment 1976115662).

Example code to reproduce the problem

import pandas as pd

index = pd.MultiIndex.from_tuples(
    [('duo-chat with mistral', 'issues-epics')],
    names=['answering_model', 'dataset']
)

data = {
    1: [16],
    2: [3],
    3: [26],
    4: [36]
}

df = pd.DataFrame(data, index=index)
df.columns.name = "correctness"
df