Update frontend components for accessibility and functionality improvements

- Modified docker-compose.dev.yml to conditionally run npm install based on the presence of package-lock.json.
- Upgraded Nuxt version in package-lock.json from 3.21.1 to 4.3.1 for enhanced features.
- Enhanced ConfirmModal component with aria-modal attribute for better accessibility.
- Updated MapErrorBoundary component's error message for clarity.
- Added role and aria-label attributes to MapView and MapSearch components for improved screen reader support.
- Refactored various components to manage focus behavior on modal close, enhancing user experience.
- Improved ToastContainer styling for better responsiveness and visibility.
- Updated layout components to include skip navigation links for improved accessibility.

frontend-nuxt/components/MapView.vue

@@ -16,8 +16,11 @@
     </div>
     <div
       v-if="mapsLoaded && maps.length === 0"
+      role="region"
+      aria-label="No maps available"
       class="absolute inset-0 z-[500] flex flex-col items-center justify-center gap-4 bg-base-200/90 p-6"
     >
+      <icons-icon-map-pin class="size-12 text-base-content/40 shrink-0" aria-hidden="true" />
       <p class="text-center text-lg">Map list is empty.</p>
       <p class="text-center text-sm opacity-80">
         Make sure you are logged in and at least one map exists in Admin (uncheck «Hidden» if needed).