[BUG] Investigate `nan` cases in cupy-based reductions

[galipremsagar]

Describe the bug
In #19805, There seems to be pytest failures in nan cases for cupy based reduction we rely on.

======================================================= short test summary info =======================================================
FAILED python/cudf/cudf/tests/dataframe/methods/test_reductions.py::test_dataframe_reductions[True-cumsum-1-data0] - AssertionError: DataFrame.iloc[:, 1] (column name="y") are different
FAILED python/cudf/cudf/tests/dataframe/methods/test_reductions.py::test_dataframe_reductions[True-cumprod-1-data0] - AssertionError: DataFrame.iloc[:, 1] (column name="y") are different
FAILED python/cudf/cudf/tests/dataframe/methods/test_reductions.py::test_dataframe_reductions[True-any-1-data2] - AssertionError: Series are different

Steps/Code to reproduce bug
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Expected behavior
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Environment overview (please complete the following information)

• Environment location: [Bare-metal, Docker, Cloud(specify cloud provider)]
• Method of cuDF install: [conda, Docker, or from source]
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Environment details
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