Round widgets to integer coordinates #12930

Job	Run time
cargo-deny aarch64-apple-darwin	39s
cargo-deny aarch64-linux-android	40s
cargo-deny i686-pc-windows-gnu	36s
cargo-deny i686-pc-windows-msvc	43s
cargo-deny i686-unknown-linux-gnu	37s
cargo-deny wasm32-unknown-unknown	48s
cargo-deny x86_64-apple-darwin	36s
cargo-deny x86_64-pc-windows-gnu	39s
Check wasm32 + wasm-bindgen	2m 27s
cargo-deny x86_64-pc-windows-msvc	39s
cargo-deny x86_64-unknown-linux-gnu	44s
Check wasm32+atomics	2m 2s
cargo-deny x86_64-unknown-linux-musl	37s
cargo-deny x86_64-unknown-redox	46s
Format + check + test	5m 55s
android	23s
ios	30s
Check Windows	1m 53s
	21m 14s

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