Rust

Allow changing shape of slider handle #7701

Job	Run time
Check wasm32 + wasm-bindgen	2m 25s
Format + check + test	7m 39s
android	38s
cargo-deny aarch64-apple-darwin	40s
Check Windows	1m 47s
cargo-deny aarch64-linux-android	42s
cargo-deny i686-pc-windows-gnu	50s
cargo-deny i686-pc-windows-msvc	52s
cargo-deny i686-unknown-linux-gnu	49s
cargo-deny wasm32-unknown-unknown	39s
cargo-deny x86_64-apple-darwin	53s
cargo-deny x86_64-pc-windows-gnu	39s
cargo-deny x86_64-pc-windows-msvc	59s
cargo-deny x86_64-unknown-linux-gnu	43s
cargo-deny x86_64-unknown-linux-musl	40s
cargo-deny x86_64-unknown-redox	44s
	21m 39s

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