fix: align list.contains null handling with Polars on lazy backends - #3990

fix: align list.contains null handling with Polars on lazy backends#3990

FBruzzesi merged 4 commits into

narwhals-dev:mainnarwhals-dev/narwhals:mainfrom

jonasdedden:upstream/spark-list-contains-nullsjonasdedden/narwhals:upstream/spark-list-contains-nullsCopy head branch name to clipboard