feat(appkit): add global uncaughtException/unhandledRejection handlers #1510

Job	Run time
Lint & Type Check	1m 52s
Detect Changes	9s
PR Template Artifact	5m 36s
Docs Build	4m 25s
Unit Tests	3m 23s
DevHub Build Validation	4m 47s
Playground Integration Tests	3m 37s
	23m 49s

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