Rust

refactor `TreeNodeRewriter` #50

Job	Run time
cargo test (mac)	5m 16s
cargo check	3m 19s
Verify Vendored Code	44s
build with wasm-pack	1m 54s
cargo test (win64)	9m 45s
Check cargo fmt	38s
Verify MSRV	6m 16s
check Cargo.toml formatting	0s
cargo test hash collisions (amd64)	0s
clippy	0s
check configs.md is up-to-date	0s
cargo doc	0s
cargo test (amd64)	0s
cargo test datafusion-cli (amd64)	0s
cargo test doc (amd64)	0s
cargo examples (amd64)	0s
Run sqllogictest with Postgres runner	0s
cargo test pyarrow (amd64)	0s
verify benchmark results (amd64)	0s
	27m 52s

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