web_demo: make hash anchor case insensitive #13536

Job	Run time
cargo-deny aarch64-apple-darwin	39s
Check wasm32 + wasm-bindgen	2m 47s
cargo-deny aarch64-linux-android	47s
Format + check + test	2m 35s
cargo-deny i686-pc-windows-gnu	43s
android	29s
Check wasm32+atomics	1m 30s
cargo-deny i686-pc-windows-msvc	42s
ios	27s
cargo-deny i686-unknown-linux-gnu	40s
Run tests	2m 10s
cargo-deny wasm32-unknown-unknown	40s
cargo-deny x86_64-apple-darwin	41s
Check Windows	1m 26s
cargo-deny x86_64-pc-windows-gnu	39s
cargo-deny x86_64-pc-windows-msvc	40s
cargo-deny x86_64-unknown-linux-gnu	45s
cargo-deny x86_64-unknown-linux-musl	38s
cargo-deny x86_64-unknown-redox	39s
	19m 37s

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