Disable the login overwriting test (#12507)

See conmment

Fixes element-hq/element-web#27363

playwright/e2e/login/overwrite_login.spec.ts

@@ -18,7 +18,9 @@ import { test, expect } from "../../element-web-test";
 import { logIntoElement } from "../crypto/utils";
 
 test.describe("Overwrite login action", () => {
-    test("Try replace existing login with new one", async ({ page, app, credentials, homeserver }) => {
+    // This seems terminally flakey: https://github.com/element-hq/element-web/issues/27363
+    // I tried verious things to try & deflake it, to no avail: https://github.com/matrix-org/matrix-react-sdk/pull/12506
+    test.skip("Try replace existing login with new one", async ({ page, app, credentials, homeserver }) => {
         await logIntoElement(page, homeserver, credentials);
 
         const userMenu = await app.openUserMenu();