fix: remove usage of `nonisolated(unsafe)` from codebase #797

Job	Run time
Library (evolution)	43s
Examples	2m 0s
xcodebuild (15) (test, IOS, 15.4)	5m 42s
xcodebuild (16) (test, IOS, 16.2)	5m 28s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	1m 48s
xcodebuild (16) (test, MACOS, 16.2)	4m 39s
xcodebuild (15) (test, MACOS, 15.4)	1m 41s
xcodebuild (16) (IOS, 16.2)	2m 36s
xcodebuild (15) (test, TVOS, 15.4)	2m 33s
xcodebuild (16) (MACOS, 16.2)	1m 31s
xcodebuild (15) (test, VISIONOS, 15.4)	3m 17s
xcodebuild (15) (test, WATCHOS, 15.4)	4m 54s
xcodebuild (15) (IOS, 15.2)	2m 20s
xcodebuild (15) (IOS, 15.4)	1m 46s
xcodebuild (15) (MAC_CATALYST, 15.4)	3m 23s
xcodebuild (15) (MACOS, 15.2)	4m 54s
xcodebuild (15) (MACOS, 15.4)	2m 23s
xcodebuild (15) (TVOS, 15.4)	6m 49s
xcodebuild (15) (VISIONOS, 15.4)	5m 19s
xcodebuild (15) (WATCHOS, 15.4)	8m 45s
	1h 12m 31s

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