Move the `transform` related boilerplate in Xilem to a single View #2612

Job	Run time
cargo check (msrv) (wasm32)	17s
cargo check (msrv) (windows-latest)	1m 21s
cargo check (aarch64-android)	21s
cargo clippy (windows-latest)	4m 7s
cargo check (msrv) (macos-latest)	47s
cargo clippy (macos-latest)	2m 17s
cargo clippy (wasm32)	1m 55s
cargo check (msrv) (ubuntu-latest)	35s
cargo doc	1m 58s
cargo clippy (ubuntu-latest)	3m 8s
formatting	34s
Prime LFS Cache	3s
cargo test (wasm32)	18s
typos	3s
cargo test (windows-latest)	2m 58s
cargo test (macos-latest)	1m 43s
cargo test (ubuntu-latest)	3m 6s
	25m 31s

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