Support transforms for each widget #2378

Job	Run time
cargo check (msrv) (wasm32)	23s
cargo clippy (windows-latest)	4m 53s
cargo check (msrv) (windows-latest)	1m 55s
cargo check (aarch64-android)	27s
cargo clippy (macos-latest)	2m 34s
cargo check (msrv) (macos-latest)	34s
cargo clippy (wasm32)	2m 9s
cargo clippy (ubuntu-latest)	3m 26s
cargo check (msrv) (ubuntu-latest)	45s
cargo doc	49s
formatting	43s
Prime LFS Cache	9s
cargo test (wasm32)	24s
typos	3s
cargo test (windows-latest)	4m 9s
cargo test (macos-latest)	1m 48s
cargo test (ubuntu-latest)	3m 52s
	29m 3s

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