Rust

Allow testing records with sibling whitespace in SLT tests and add more string tests #34353

Job	Run time
cargo test (win64)	1h 5m 43s
build with wasm-pack	2m 44s
cargo check	6m 30s
Check cargo fmt	41s
cargo test (macos)	14m 59s
cargo test (macos-aarch64)	14m 21s
Verify MSRV (Min Supported Rust Version)	8m 14s
Verify Vendored Code	59s
cargo test pyarrow (amd64)	2m 53s
cargo doc	4m 14s
cargo test datafusion-cli (amd64)	3m 56s
cargo test (amd64)	11m 2s
cargo examples (amd64)	13m 58s
check configs.md and ***_functions.md is up-to-date	3m 0s
check Cargo.toml formatting	3m 10s
cargo test hash collisions (amd64)	16m 39s
verify benchmark results (amd64)	12m 41s
Run sqllogictest with Postgres runner	3m 41s
clippy	6m 2s
cargo test doc (amd64)	15m 59s
	3h 31m 26s

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