Refactor character retrieval in FalukantService for improved clarity

- Changed the character retrieval method to directly access the user's character property instead of querying the database, enhancing code readability and performance.

backend/services/falukantService.js

@@ -2889,7 +2889,7 @@ class FalukantService extends BaseService {
             const step1Start = Date.now();
             const user = await this.getFalukantUserByHashedId(hashedUserId);
             if (!user) throw new Error('User not found');
-            const character = await FalukantCharacter.findOne({ where: { userId: user.id } });
+            const character = user.character;
             if (!character) throw new Error('Character not found for this user');
             timings.step1_user_character = Date.now() - step1Start;