Rust

Make `tooltip_grace_time` customizable #11452

Job	Run time
Check wasm32 + wasm-bindgen	3m 1s
Format + check + test	5m 22s
android	28s
Check Windows	2m 10s
cargo-deny aarch64-apple-darwin	41s
cargo-deny aarch64-linux-android	42s
cargo-deny i686-pc-windows-gnu	40s
cargo-deny i686-pc-windows-msvc	41s
cargo-deny i686-unknown-linux-gnu	50s
cargo-deny wasm32-unknown-unknown	42s
cargo-deny x86_64-apple-darwin	39s
cargo-deny x86_64-pc-windows-gnu	42s
cargo-deny x86_64-pc-windows-msvc	39s
cargo-deny x86_64-unknown-linux-gnu	40s
cargo-deny x86_64-unknown-linux-musl	37s
cargo-deny x86_64-unknown-redox	42s
	19m 16s

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