fix(front-end): fix no index in products

frontend/src/app/features/shop/product-detail.component.ts

@@ -14,7 +14,15 @@ import {
 import { takeUntilDestroyed, toObservable } from '@angular/core/rxjs-interop';
 import { Router, RouterLink } from '@angular/router';
 import { TranslateModule, TranslateService } from '@ngx-translate/core';
-import { catchError, combineLatest, finalize, of, switchMap, tap } from 'rxjs';
+import {
+  EMPTY,
+  catchError,
+  combineLatest,
+  finalize,
+  of,
+  switchMap,
+  tap,
+} from 'rxjs';
 import { SeoService } from '../../core/services/seo.service';
 import { LanguageService } from '../../core/services/language.service';
 import { findColorHex, getColorHex } from '../../core/constants/colors.const';
@@ -220,7 +228,12 @@ export class ProductDetailComponent {
           this.modelModalOpen.set(false);
         }),
         switchMap(([productSlug]) => {
-          if (!productSlug) {
+          if (productSlug === undefined) {
+            return EMPTY;
+          }
+
+          const normalizedProductSlug = productSlug.trim();
+          if (!normalizedProductSlug) {
             this.languageService.clearLocalizedRouteOverrides();
             this.error.set('SHOP.NOT_FOUND');
             this.setResponseStatus(404);
@@ -229,7 +242,9 @@ export class ProductDetailComponent {
             return of(null);
           }
 
-          return this.shopService.getProductByPublicPath(productSlug).pipe(
+          return this.shopService
+            .getProductByPublicPath(normalizedProductSlug)
+            .pipe(
             catchError((error) => {
               this.languageService.clearLocalizedRouteOverrides();
               this.product.set(null);