[Minor] extract const and add doc and more tests for in_list pruning #21986

Job	Run time
cargo check	2m 4s
build with wasm-pack	1m 42s
cargo test (win64)	39m 39s
Check cargo fmt	27s
cargo test (mac)	15m 40s
Verify MSRV	5m 58s
Verify Vendored Code	46s
clippy	4m 6s
check configs.md is up-to-date	1m 59s
cargo test hash collisions (amd64)	8m 29s
check Cargo.toml formatting	1m 11s
cargo test (amd64)	8m 33s
cargo test datafusion-cli (amd64)	2m 42s
cargo test doc (amd64)	9m 10s
cargo examples (amd64)	6m 50s
Run sqllogictest with Postgres runner	2m 58s
cargo test pyarrow (amd64)	2m 9s
verify benchmark results (amd64)	9m 32s
cargo doc	2m 58s
	2h 6m 53s

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