refactor: enhance vacation request component and improve error handling

- Updated the SolicitarFerias component to improve the user interface and experience.
- Added validation for overlapping vacation periods and ensured proper error messages are displayed.
- Refactored the logic for adding and removing vacation periods, enhancing code readability and maintainability.
- Improved the handling of form submission and error states for better user feedback.

apps/web/src/routes/(dashboard)/perfil/+page.svelte

@@ -48,11 +48,7 @@
 
 	// Queries
 	const funcionarioQuery = $derived(
-		currentUser?.data?.funcionarioId
-			? useQuery(api.funcionarios.getById, {
-					id: currentUser.data.funcionarioId
-				})
-			: { data: null }
+		currentUser?.data?.funcionarioId ? useQuery(api.funcionarios.getCurrent, {}) : { data: null }
 	);
 
 	const solicitacoesSubordinadosQuery = $derived(