fix: restore portfolio loader and safe consent revocation

app/components/GoogleAnalytics.test.tsx

@@ -223,4 +223,31 @@ describe("GoogleAnalytics consent", () => {
       ).not.toBeInTheDocument();
     });
   });
+
+  it("reports when revocation cannot be persisted", async () => {
+    const user = userEvent.setup();
+    localStorage.setItem(CONSENT_KEY, "granted");
+    jest.spyOn(Storage.prototype, "setItem").mockImplementation(() => {
+      throw new Error("storage blocked");
+    });
+    render(<GoogleAnalytics />);
+
+    await screen.findByTestId("google-analytics-script");
+    await user.click(
+      screen.getByRole("button", { name: "Preferências de analytics" }),
+    );
+    await user.click(screen.getByRole("button", { name: "Revogar analytics" }));
+
+    expect(
+      screen.getByRole("alert", {
+        name: "Falha ao salvar a revogação",
+      }),
+    ).toHaveTextContent(
+      "Não foi possível salvar a revogação. Tente novamente para concluir.",
+    );
+    expect(analyticsWindow[GA_DISABLE_KEY]).not.toBe(true);
+    expect(
+      screen.getByRole("button", { name: "Revogar analytics" }),
+    ).toBeVisible();
+  });
 });