Fix impersonation in performance endpoint

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

@@ -236,14 +236,8 @@ export class PortfolioController {
     @Query('range') range,
     @Res() res: Response
   ): Promise<PortfolioPerformance> {
-    const impersonationUserId =
-      await this.impersonationService.validateImpersonationId(
-        impersonationId,
-        this.request.user.id
-      );
-
     const performanceInformation = await this.portfolioService.getPerformance(
-      impersonationUserId,
+      impersonationId,
       range
     );
 

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

@@ -527,12 +527,7 @@ export class PortfolioService {
     aImpersonationId: string,
     aDateRange: DateRange = 'max'
   ): Promise<{ hasErrors: boolean; performance: PortfolioPerformance }> {
-    const impersonationUserId =
-      await this.impersonationService.validateImpersonationId(
-        aImpersonationId,
-        this.request.user.id
-      );
-    const userId = impersonationUserId || this.request.user.id;
+    const userId = await this.getUserId(aImpersonationId);
 
     const portfolioCalculator = new PortfolioCalculator(
       this.currentRateService,