Fix incorrect `... LIKE '%'` simplification #329

Job	Run time
build with wasm-pack	2m 43s
cargo test (macos)	12m 27s
Check cargo fmt	48s
cargo check	6m 32s
cargo test (macos-aarch64)	18m 48s
Verify MSRV (Min Supported Rust Version)	8m 15s
Verify Vendored Code	48s
cargo test (win64)	1h 7m 10s
cargo test (amd64)	11m 29s
cargo examples (amd64)	13m 55s
clippy	5m 56s
cargo doc	4m 25s
cargo test datafusion-cli (amd64)	4m 5s
cargo test doc (amd64)	16m 14s
Run sqllogictest with Postgres runner	3m 44s
check Cargo.toml formatting	2m 59s
verify benchmark results (amd64)	12m 52s
check configs.md and ***_functions.md is up-to-date	3m 13s
cargo test hash collisions (amd64)	17m 33s
cargo test pyarrow (amd64)	2m 56s
	3h 36m 52s

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