Fix screenshot comparison (#15894) #51056

Job	Run time
build (windows-latest)	6m 28s
check-bevy-internal-imports	4s
build (ubuntu-latest)	2m 45s
build (macos-latest)	3m 45s
check-doc	7m 42s
check-missing-examples-in-docs	33s
ci	2m 50s
miri	9m 43s
run-examples-macos-metal	5m 20s
toml	1m 51s
typos	6s
check-missing-features-in-docs	31s
markdownlint	1m 3s
check-compiles-no-std	20s
check-compiles	4m 34s
msrv	55s
build-wasm-atomics	1m 45s
build-wasm	52s
	51m 7s

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