Bugfix/total fee calculation related to activities in custom currency (#6191)

* Fix total fee calculation related to activities in custom currency

* Update changelog

CHANGELOG.md

@@ -15,6 +15,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Restored the support for specific calendar year date ranges (`2024`, `2023`, `2022`, etc.) in the holdings table (experimental)
 
+### Fixed
+
+- Fixed the total fee calculation in the holding detail dialog related to activities in a custom currency
+- Fixed the total fee calculation in the summary related to activities in a custom currency
+
 ## 2.229.0 - 2026-01-11
 
 ### Changed

apps/api/src/app/portfolio/portfolio.service.ts

@@ -792,7 +792,7 @@ export class PortfolioService {
       averagePrice,
       currency,
       dividendInBaseCurrency,
-      fee,
+      feeInBaseCurrency,
       firstBuyDate,
       grossPerformance,
       grossPerformancePercentage,
@@ -928,11 +928,7 @@ export class PortfolioService {
       dividendYieldPercent: dividendYieldPercent.toNumber(),
       dividendYieldPercentWithCurrencyEffect:
         dividendYieldPercentWithCurrencyEffect.toNumber(),
-      feeInBaseCurrency: this.exchangeRateDataService.toCurrency(
-        fee.toNumber(),
-        SymbolProfile.currency,
-        userCurrency
-      ),
+      feeInBaseCurrency: feeInBaseCurrency.toNumber(),
       grossPerformance: grossPerformance?.toNumber(),
       grossPerformancePercent: grossPerformancePercentage?.toNumber(),
       grossPerformancePercentWithCurrencyEffect: