refactor(TaskSelector): enhance task selection logic and integrate shared component

- Replaced TaskSelector with TaskSelectorWithData to streamline task selection.
- Updated TaskSelector to accept tasks as a prop, improving data handling.
- Removed unnecessary API calls and loading states, simplifying the component's logic.
- Added new sections to UIShowcaseClient for better component visibility.

src/components/ui-showcase/sections/index.ts

@@ -7,3 +7,6 @@ export { NavigationSection } from './NavigationSection';
 export { FeedbackSection } from './FeedbackSection';
 export { DataDisplaySection } from './DataDisplaySection';
 export { DropdownsSection } from './DropdownsSection';
+export { IconsSection } from './IconsSection';
+export { TaskSelectorSection } from './TaskSelectorSection';
+export { ToastSection } from './ToastSection';