feat: integrate FontAwesome icons across various components

- Updated apartment-list component to use FontAwesome icons for better visual representation.
- Refactored brand-mark component to utilize FontAwesome for the brand icon.
- Enhanced dashboard-page with FontAwesome icons for improved navigation.
- Replaced SVG icons with FontAwesome in settings-page for consistency and better performance.
- Updated sign-in-page to use FontAwesome for the sign-in action icon.
- Refactored tenant-card to incorporate FontAwesome icons for attachments.
- Enhanced workspace-navigation with FontAwesome icons for all navigation items.
- Applied consistent styling for fa-icon elements across components.

frontend/src/app/components/dashboard-page/dashboard-page.html

@@ -13,10 +13,7 @@
       [attr.aria-busy]="workspace.apartmentLoadState().loading"
     >
       <div class="feature-icon" aria-hidden="true">
-        <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8">
-          <path d="M4 21V5a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v16M2 21h20" />
-          <path d="M8 8h8M8 12h8M8 16h4" />
-        </svg>
+        <fa-icon [icon]="faTableCellsLarge" />
       </div>
       <div>
         <p class="eyebrow">Votre portefeuille</p>