test(e2e): update mock specs for splash changes

e2e/specs/mock/auth/email-login-from-other-options.spec.ts

@@ -21,7 +21,7 @@ test("user can email login from other sign-in options and return to chat", async
   await page
     .getByRole("button", { name: "Sign up to unlock more features" })
     .click();
-  await expect(page).toHaveURL(/\/auth$/);
+  await expect(page).toHaveURL(/\/auth(?:\?.*)?$/);
 
   await switchToEmailSignIn(page);
   const loginRequest = await submitEmailLogin(page, { expectedUrl: /\/chat$/ });