Fix click-to-copy on Safari #8137

Job	Run time
Format + check + test	5m 14s
android	28s
Check wasm32 + wasm-bindgen	2m 34s
cargo-deny aarch64-apple-darwin	38s
cargo-deny aarch64-linux-android	38s
Check Windows	1m 46s
cargo-deny i686-pc-windows-gnu	38s
cargo-deny i686-pc-windows-msvc	42s
cargo-deny i686-unknown-linux-gnu	42s
cargo-deny wasm32-unknown-unknown	40s
cargo-deny x86_64-apple-darwin	39s
cargo-deny x86_64-pc-windows-gnu	44s
cargo-deny x86_64-pc-windows-msvc	37s
cargo-deny x86_64-unknown-linux-gnu	37s
cargo-deny x86_64-unknown-linux-musl	43s
cargo-deny x86_64-unknown-redox	41s
	18m 1s

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