Support IGNORE NULLS for FIRST/LAST window function #24296

Job	Run time
cargo check	3m 29s
build with wasm-pack	2m 20s
cargo test (macos)	22m 12s
cargo test (win64)	42m 24s
Check cargo fmt	35s
cargo test (macos-aarch64)	10m 43s
Verify Vendored Code	1m 2s
Verify MSRV (Min Supported Rust Version)	7m 10s
cargo test datafusion-cli (amd64)	3m 38s
cargo doc	3m 53s
cargo test doc (amd64)	13m 25s
cargo test (amd64)	10m 34s
cargo examples (amd64)	10m 39s
verify benchmark results (amd64)	10m 31s
check Cargo.toml formatting	3m 3s
clippy	6m 31s
check configs.md is up-to-date	2m 52s
cargo test hash collisions (amd64)	10m 16s
Run sqllogictest with Postgres runner	3m 17s
cargo test pyarrow (amd64)	2m 45s
	2h 51m 19s

Provide feedback