Pandas BUG: NumpyEA[uint8].take([-1], allow_fill=True) nonsense result

Pandas version checks

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Reproducible Example

arr = pd.Series([1, 2, 3], dtype="uint8").array

>>> arr.take([-1], allow_fill=True)
<NumpyExtensionArray>
[nan]
Length: 1, dtype: uint8

Issue Description

The actual backing _ndarray is float64 but the result thinks it is still uint8.

Expected Behavior

N/A

Installed Versions

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