Refactor AuthenticatedUuid to singleton service and replace static calls across the codebase. Add JWT authority converters, improve punishment expiry handling, and enhance frontend dialog functionality for editing punishments. Extend CORS allowed methods and origins.

backend/src/main/resources/application-test.properties

@@ -1,4 +1,4 @@
-cors.allowed-origins=${CORS:http://localhost:4200,http://localhost:8080}
+cors.allowed-origins=${CORS:http://localhost:4200,http://localhost:8080,http://localhost:80}
 my-server.address=${SERVER_ADDRESS:http://localhost:8080}
 logging.level.com.alttd.altitudeweb=DEBUG
 logging.level.org.springframework.security=DEBUG