Fix requested repaints not causing Bevy to redraw. #553

Job	Run time
Clippy check (android) (immutable_ctx)	20s
Clippy check (ubuntu-latest)	23s
Clippy check (android) (manage_clipboard)	30s
Check documentation	35s
Clippy check (ubuntu-latest, manage_clipboard)	48s
Clippy check (android) (open_url)	20s
Clippy check (wasm32) (immutable_ctx)	20s
Clippy check (ubuntu-latest, open_url)	31s
Clippy check (android) (manage_clipboard,open_url)	20s
Clippy check (wasm32) (manage_clipboard)	19s
Clippy check (ubuntu-latest, manage_clipboard,open_url)	51s
Clippy check (wasm32) (open_url)	19s
Clippy check (macos-latest)	59s
Formatter check	12s
Clippy check (wasm32) (manage_clipboard,open_url)	19s
Clippy check (macos-latest, manage_clipboard)	2m 50s
Run tests	1m 43s
Clippy check (macos-latest, open_url)	58s
Clippy check (macos-latest, manage_clipboard,open_url)	37s
Clippy check (ios) (immutable_ctx)	49s
Clippy check (windows-latest)	1m 5s
Clippy check (ios) (manage_clipboard)	1m 20s
Clippy check (windows-latest, manage_clipboard)	3m 7s
Clippy check (ios) (open_url)	41s
Clippy check (windows-latest, open_url)	2m 27s
Clippy check (ios) (manage_clipboard,open_url)	1m 10s
Clippy check (windows-latest, manage_clipboard,open_url)	3m 1s
	26m 54s

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