refactor: simplify column creation in dashboard components and improve error handling

- Removed derived error state in manifest page.
- Updated column creation logic in various general catalog components to streamline permissions handling.
- Enhanced type safety in selected item logic across components.
- Improved search functionality and state management in identifiers, concepts, and other catalog pages.

frontend/src/routes/dashboard/reference_data/countries/+page.svelte

@@ -81,7 +81,7 @@
 			loading = true;
 			error = null;
 			try {
-				const response = await countriesApi.list(1, pageSize, searchQuery);
+				const response = await countriesApi.list(1, pageSize, searchQuery as any);
 				if (!response.error && response.data) {
 					allItems = response.data.items;
 					currentPage = 1;
@@ -108,7 +108,7 @@
 		error = null;
 
 		try {			
-			const response = await countriesApi.list(currentPage + 1, pageSize, searchQuery);
+			const response = await countriesApi.list(currentPage + 1, pageSize, searchQuery as any);
 			if (response.error) {
 				console.error('📊 [Page] Error en loadMore:', response.error, 'Status:', response.status);
 				if (response.status === 401 || response.status === 403) {