Fix lint error: replace Spinner with IconRefresh

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Co-Authored-By: Claude <noreply@anthropic.com>

src/app/emprestimos/emprestimos-page-client.tsx

@@ -814,7 +814,7 @@ export function EmprestimosPageClient() {
             <Button onClick={handleCreate} disabled={isSubmitting}>
               {isSubmitting ? (
                 <>
-                  <Spinner className="size-4" />
+                  <IconRefresh className="size-4 animate-spin" />
                   Criando...
                 </>
               ) : (