[Manager] Add update all button functionality

- Add PackUpdateButton component for bulk updates
- Add useUpdateAvailableNodes composable to track available updates
- Integrate update all button in RegistrySearchBar
- Add localization strings for update functionality
- Add comprehensive tests for update functionality
- Add loading state to PackActionButton

src/components/dialog/content/manager/button/PackActionButton.vue

@@ -28,6 +28,7 @@ import Button from 'primevue/button'
 
 const {
   label,
+  loading = false,
   loadingMessage,
   fullWidth = false,
   variant = 'default'