Add debug logging for product price retrieval in FalukantService and RevenueSection

- Introduced console logs in FalukantService to trace the parameters used in the getProductPricesInCities method, enhancing visibility into the product price retrieval process.
- Added logging in RevenueSection to capture the loading process and received better prices for products, improving traceability and debugging capabilities during price loading operations.

backend/services/falukantService.js

@@ -3671,6 +3671,7 @@ class FalukantService extends BaseService {
     }
 
     async getProductPricesInCities(hashedUserId, productId, currentPrice, currentRegionId = null) {
+        console.log(`[getProductPricesInCities] Called with productId: ${productId}, currentPrice: ${currentPrice}, currentRegionId: ${currentRegionId}`);
         const user = await this.getFalukantUserByHashedId(hashedUserId);
         const character = await FalukantCharacter.findOne({ where: { userId: user.id } });
         if (!character) {