Fix incorrect `... LIKE '%'` simplification with NULLs #34572

Job	Run time
cargo check	8m 26s
build with wasm-pack	2m 41s
cargo test (win64)	21m 20s
cargo test (macos)	6m 31s
Check cargo fmt	42s
cargo test (macos-aarch64)	8m 23s
Verify MSRV (Min Supported Rust Version)	8m 24s
Verify Vendored Code	53s
cargo test datafusion-cli (amd64)	3m 48s
cargo test (amd64)	9m 52s
cargo test doc (amd64)	12m 43s
clippy	6m 28s
cargo doc	4m 12s
cargo examples (amd64)	12m 41s
Run sqllogictest with Postgres runner	3m 49s
cargo test pyarrow (amd64)	3m 1s
verify benchmark results (amd64)	12m 41s
check Cargo.toml formatting	3m 4s
check configs.md and ***_functions.md is up-to-date	3m 10s
cargo test hash collisions (amd64)	12m 43s
	2h 25m 32s

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