fix(storefront): replace hardcoded strings with i18n, neutral empty-state wording

- Route aria-label/alt/title strings (rating, discount, carousel arrows,
  hero slides, dialog close, toast dismiss, QR code, bank payment iframe,
  guest checkout fallback) through the translate pipe/service instead of
  literal English.
- Drop the "Oops!"/"Упс!" apology framing from category/subcategory empty
  states (en/ru/hy) - zero results is not an error.

src/app/widgets/ui/product-carousel-widget.component.ts

@@ -3,11 +3,12 @@ import { ChangeDetectionStrategy, Component, ElementRef, EventEmitter, Input, Ou
 import { SectionConfig } from '../../shared/models/config';
 import { CatalogProductGridComponent } from '../../features/website/catalog/components/product-grid/product-grid.component';
 import { ProductCollectionWidgetData } from '../contracts/widget-data.contract';
+import { TranslatePipe } from '../../i18n/translate.pipe';
 
 @Component({
   selector: 'app-product-carousel-widget',
   standalone: true,
-  imports: [CommonModule, CatalogProductGridComponent],
+  imports: [CommonModule, CatalogProductGridComponent, TranslatePipe],
   template: `
     <section class="product-carousel-widget">
       @if (data?.title) {
@@ -20,7 +21,7 @@ import { ProductCollectionWidgetData } from '../contracts/widget-data.contract';
             <button
               type="button"
               class="product-carousel-widget__arrow product-carousel-widget__arrow--prev"
-              aria-label="Previous products"
+              [attr.aria-label]="'common.previousProducts' | translate"
               [disabled]="atStart()"
               (click)="scrollBy(-1)"
             >&larr;</button>
@@ -32,7 +33,7 @@ import { ProductCollectionWidgetData } from '../contracts/widget-data.contract';
             <button
               type="button"
               class="product-carousel-widget__arrow product-carousel-widget__arrow--next"
-              aria-label="Next products"
+              [attr.aria-label]="'common.nextProducts' | translate"
               [disabled]="atEnd()"
               (click)="scrollBy(1)"
             >&rarr;</button>