Rust

[branch-54] chore: Cleanup and refactor `build_join` in `ScalarSubqueryToJoin` (#… #67349

Job	Run time
build and run with wasm-pack	4m 16s
Check cargo fmt	1m 16s
linux build test	4m 53s
Verify MSRV (Min Supported Rust Version)	5m 53s
cargo test (macos-aarch64)	7m 15s
Verify Vendored Code	1m 27s
cargo check datafusion features	10m 56s
check Cargo.toml formatting	3m 19s
cargo check datafusion-functions features	2m 54s
cargo check datafusion-common features	2m 8s
Run sqllogictest in Substrait round-trip mode	6m 43s
cargo check datafusion-proto features	5m 12s
clippy	7m 16s
check example README is up-to-date	6m 52s
cargo test datafusion-cli (amd64)	5m 41s
cargo test doc (amd64)	9m 46s
cargo test (amd64)	13m 9s
check configs.md and ***_functions.md is up-to-date	7m 10s
cargo check datafusion-substrait features	11m 7s
cargo doc	6m 22s
verify benchmark results (amd64)	13m 25s
cargo examples (amd64)	13m 28s
Run sqllogictest with Postgres runner	7m 51s
	2h 38m 19s

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