Allow *Map Aggregate Functions to Handle Arrays with NULLs

Why it matters

This feature fixes the issue where *Map aggregate functions could not correctly process Arrays that include NULL elements, enabling more robust and accurate aggregation over nullable data. It improves usability and reliability when working with Arrays containing optional or missing values.

How to use it

Users can now directly apply *Map aggregate functions to Arrays with NULL values without any additional configuration or workarounds. Simply use the aggregate functions as usual within your queries.