Merge pull request 'error corrected' (#95) from Backend_Fix into main

Reviewed-on: #95

SerpentRace_Backend/src/Infrastructure/Repository/GameRepository.ts

@@ -397,7 +397,7 @@ export class GameRepository implements IGameRepository {
             if (state === GameState.FINISHED) {
                 updateData.enddate = new Date();
                 if (winner) {
-                    updateData.winner = winner;
+                    updateData.winnerId = winner;
                 }
             }