Expose line break parameter in label widget #2619

Job	Run time
cargo check (msrv) (wasm32)	20s
cargo clippy (windows-latest)	4m 38s
cargo check (aarch64-android)	22s
cargo clippy (macos-latest)	2m 28s
cargo check (msrv) (windows-latest)	1m 54s
cargo clippy (ubuntu-latest)	3m 9s
cargo check (msrv) (macos-latest)	30s
cargo clippy (wasm32)	1m 54s
cargo doc	1m 51s
cargo check (msrv) (ubuntu-latest)	36s
formatting	36s
Prime LFS Cache	3s
cargo test (wasm32)	19s
typos	5s
cargo test (windows-latest)	3m 2s
cargo test (macos-latest)	1m 41s
cargo test (ubuntu-latest)	3m 26s
	26m 54s

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