feat(layout): enhance topbar with customizable templates and full-page support

- Updated app.layout.component.html to include start, center, and end templates for the topbar.
- Modified app.layout.component.ts to manage new template references and added isFullPage getter.
- Refactored app.topbar.component.html to utilize new templates and improved layout structure.
- Enhanced app.topbar.component.ts to accept new input properties for templates.
- Updated layout.service.ts to manage full-page state and new topbar slots.
- Added new payment bridge services for POS functionality.
- Introduced greater validator for form validation.
- Improved dialog component to support mobile drawer and responsive design.
- Updated styles for better mobile support and layout adjustments.
- Added new main menu sidebar for POS with dynamic content.

src/app/shared/components/formFooterActions/form-footer-actions.component.html

@@ -1,4 +1,4 @@
 <div class="flex justify-end gap-2">
   <p-button [label]="cancelLabel" severity="secondary" (click)="cancel()" />
-  <p-button [label]="submitLabel" type="submit" [loading]="loading" (onClick)="submit()" />
+  <p-button [label]="submitLabel" type="submit" [disabled]="disabled" [loading]="loading" (onClick)="submit()" />
 </div>