got rid if Map and added username, password and apikey to request body

backend/src/main/java/com/vaessl/app/connection/HomeBoxConnectionProvider.java

@@ -31,8 +31,8 @@ public class HomeBoxConnectionProvider implements ConnectionProvider {
 
     @Override
     public ConnectionResponse authenticate(ConnectionRequest request) {
-        Map<String, Object> homeboxPayload = Map.of("username", request.credentials().get("username"),
-                "password", request.credentials().get("password"), "stayLoggedIn",
+        Map<String, Object> homeboxPayload = Map.of("username", request.username(),
+                "password", request.password(), "stayLoggedIn",
                 request.stayLoggedIn());
 
         HomeboxLoginResponse hbResponse = restClientBuilder.baseUrl(request.appUrl())
@@ -57,7 +57,7 @@ public class HomeBoxConnectionProvider implements ConnectionProvider {
     @Override
     public ConnectionEntity findUniqueConnectionEntry(ConnectionRequest request) {
 
-        return cRepository.findByAppUrlAndUsername(request.appUrl(), request.credentials().get("username"));
+        return cRepository.findByAppUrlAndUsername(request.appUrl(), request.username());
     }
 
     @Override