Use ObjectProvider instead of @lazy

Spring AOT (used to help Java native build) does not
recognize proxies created by proxy. Use ObjectProvider instead.
It is recommended anyway (even if no Java native build is used).

See spring-projects/spring-framework#29584

backend/src/main/java/mosquitobytes/carboncritters/service/ProfileService.java

@@ -6,7 +6,8 @@
 import mosquitobytes.carboncritters.model.Profile;
 import mosquitobytes.carboncritters.model.Score;
 import mosquitobytes.carboncritters.repository.ProfileRepository;
-import org.springframework.context.annotation.Lazy;
+
+import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.stereotype.Service;
 
 import java.io.IOException;
@@ -15,12 +16,12 @@
 @Service
 public class ProfileService {
 
-    private final CustomWebSocketHandler webSocketHandler;
+    private final ObjectProvider<CustomWebSocketHandler> webSocketHandlerProvider;
 
     private final ProfileRepository profileRepository;
 
-    public ProfileService(@Lazy CustomWebSocketHandler webSocketHandler, ProfileRepository profileRepository) {
-        this.webSocketHandler = webSocketHandler;
+    public ProfileService(ObjectProvider<CustomWebSocketHandler> webSocketHandlerProvider, ProfileRepository profileRepository) {
+        this.webSocketHandlerProvider = webSocketHandlerProvider;
         this.profileRepository = profileRepository;
     }
 
@@ -53,6 +54,7 @@ public void resetScore() {
         profiles.forEach(this::resetScore);
 
         try {
+            var webSocketHandler = webSocketHandlerProvider.getIfAvailable();
             webSocketHandler.sendLeaderBoardToAllActiveSessions();
         } catch (IOException e) {
             throw new RuntimeException(e);