fix(generator): Add NULL FILTER on ARRAY_AGG only for columns #4301
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Fixes #4300
#4033 was introduced to solve the transpilation of
ARRAY_AGGfrom dialects that excludeNULLvalues (e.g. Spark) to those that don't (e.g. DuckDB) by adding aFILTERon it.However, this (1) doesn't have to be added if the input is not a column and (2) even if it was kept as a no-op, DuckDB seems to hit on internal errors as is reported on the issue.