Rust

Minor: move resolve_overlap a method on OrderingEquivalenceClas #4296

Job	Run time
build with wasm-pack	4m 15s
Check License Header	2m 19s
linux build test	5m 2s
Check cargo fmt	42s
cargo test (macos-aarch64)	19m 48s
Verify MSRV (Min Supported Rust Version)	11m 28s
Verify Vendored Code	55s
cargo check functions	2m 16s
cargo check datafusion	5m 53s
cargo check no default features	10m 23s
check Cargo.toml formatting	4m 15s
clippy	8m 51s
check configs.md and ***_functions.md is up-to-date	5m 23s
cargo doc	5m 49s
cargo test (amd64)	14m 6s
cargo test datafusion-cli (amd64)	6m 34s
cargo examples (amd64)	18m 5s
cargo test doc (amd64)	20m 15s
Run sqllogictest with Postgres runner	6m 8s
verify benchmark results (amd64)	10m 14s
cargo test pyarrow (amd64)	4m 18s
	2h 46m 59s

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