Fix Xcode 15.3 concurrency warnings when using `Screen.scale` #1104

Job	Run time
Performance Tests	7m 35s
Discover Typos	8s
Unit Tests (iOS 16.4, Xcode 14.3.1)	8m 49s
Thread Safety Tests (TSan Enabled)	3m 35s
Unit Tests (iOS 16.1, Xcode 14.1)	10m 36s
Unit Tests (macOS, Xcode 14.3.1)	2m 4s
Swift Build (SPM)	51s
Unit Tests (tvOS 16.4, Xcode 14.3.1)	2m 58s
	36m 36s

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