Add two new methods in ScalarFunction `return_type_from_args` and `is_nullable_from_args_nullable` #36772

Job	Run time
linux build test	3m 51s
Check License Header	2m 27s
build with wasm-pack	3m 26s
cargo test (macos-aarch64)	8m 53s
Check cargo fmt	44s
Verify MSRV (Min Supported Rust Version)	9m 16s
Verify Vendored Code	54s
cargo check no default features	8m 13s
cargo test (amd64)	8m 51s
cargo check datafusion	5m 0s
cargo check functions	1m 40s
check Cargo.toml formatting	3m 13s
clippy	7m 37s
cargo doc	4m 56s
check configs.md and ***_functions.md is up-to-date	4m 54s
cargo test datafusion-cli (amd64)	5m 55s
cargo test doc (amd64)	18m 16s
cargo examples (amd64)	16m 32s
Run sqllogictest with Postgres runner	5m 0s
cargo test pyarrow (amd64)	3m 29s
verify benchmark results (amd64)	9m 26s
	2h 12m 33s

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