Allow AccessKit to react to WindowEvents before they reach the engine #31819

Job	Run time
build (windows-latest)	5m 6s
check-doc	12m 24s
check-bevy-internal-imports	7s
build (ubuntu-latest)	2m 56s
build (macos-latest)	3m 17s
check-missing-examples-in-docs	59s
ci	1m 53s
miri	6m 21s
run-examples-on-windows-dx12	16m 15s
check-missing-features-in-docs	1m 2s
check-compiles	3m 25s
markdownlint	1m 27s
msrv	1m 21s
build-wasm	44s
	57m 17s

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