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)/ti/times/+page.svelte

@@ -457,11 +457,7 @@
 									<h2 class="card-title text-lg">{time.nome}</h2>
 								</div>
 								<div class="dropdown dropdown-end">
-									<button
-										type="button"
-										class="btn btn-ghost btn-sm btn-square"
-										aria-label="Menu do time"
-									>
+									<button type="button" class="btn btn-ghost btn-sm" aria-label="Menu do time">
 										<svg
 											xmlns="http://www.w3.org/2000/svg"
 											class="h-5 w-5"
@@ -671,7 +667,7 @@
 											</div>
 										</div>
 										<button
-											class="btn btn-sm btn-error btn-square"
+											class="btn btn-sm btn-error"
 											onclick={() => removerMembro(membro._id)}
 											disabled={processando}
 											aria-label="Remover membro"