Rust

Improve `Frame` API to allow picking color until after adding content #8921

Job	Run time
android	26s
Check wasm32 + wasm-bindgen	2m 19s
cargo-deny aarch64-apple-darwin	40s
cargo-deny aarch64-linux-android	40s
Format + check + test	5m 37s
cargo-deny i686-pc-windows-gnu	43s
cargo-deny i686-pc-windows-msvc	39s
Check Windows	1m 59s
cargo-deny i686-unknown-linux-gnu	37s
cargo-deny wasm32-unknown-unknown	40s
cargo-deny x86_64-apple-darwin	39s
cargo-deny x86_64-pc-windows-gnu	43s
cargo-deny x86_64-pc-windows-msvc	39s
cargo-deny x86_64-unknown-linux-gnu	39s
cargo-deny x86_64-unknown-linux-musl	42s
cargo-deny x86_64-unknown-redox	40s
	18m 22s

Provide feedback