refactor(samples): Convert main screen to Jetpack Compose #6695

Job	Run time
system-test (sentry-samples-spring-boot-opentelemetry-noagent, false, true)	7m 7s
system-test (sentry-samples-spring-boot-opentelemetry, true, false)	7m 26s
system-test (sentry-samples-spring-boot, false, true)	5m 19s
system-test (sentry-samples-spring-boot-opentelemetry, true, true)	7m 12s
system-test (sentry-samples-spring-boot-webflux-jakarta, false, true)	5m 36s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, true)	7m 33s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry, true, false)	7m 42s
system-test (sentry-samples-spring-boot-webflux, false, true)	4m 58s
system-test (sentry-samples-spring-boot-4, false, true)	6m 36s
system-test (sentry-samples-jul, false, true)	2m 24s
system-test (sentry-samples-spring, false, true)	4m 19s
system-test (sentry-samples-logback, false, true)	2m 14s
system-test (sentry-samples-console, false, true)	2m 20s
system-test (sentry-samples-spring-7, false, true)	4m 17s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, false)	7m 33s
system-test (sentry-samples-log4j2, false, true)	2m 10s
system-test (sentry-samples-spring-boot-4-webflux, false, true)	5m 5s
system-test (sentry-samples-spring-boot-jakarta-opentelemetry-noagent, false, true)	7m 24s
system-test (sentry-samples-spring-boot-jakarta, false, true)	7m 5s
system-test (sentry-samples-spring-jakarta, false, true)	4m 32s
system-test (sentry-samples-spring-boot-4-opentelemetry, true, true)	7m 32s
	1h 56m 24s

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