Dashboards: Enable scenes by default (#93818)

* Mark Scenes feature toggles as GA

* Move old arch e2e to a new folder

* Run E2E on scenes by default

* Upgrade e2e-selectors to ensure the tests in Playwright works

e2e/old-arch/utils/support/selector.ts

@@ -0,0 +1,11 @@
+export interface SelectorApi {
+  fromAriaLabel: (selector: string) => string;
+  fromDataTestId: (selector: string) => string;
+  fromSelector: (selector: string) => string;
+}
+
+export const Selector: SelectorApi = {
+  fromAriaLabel: (selector: string) => `[aria-label="${selector}"]`,
+  fromDataTestId: (selector: string) => `[data-testid="${selector}"]`,
+  fromSelector: (selector: string) => selector,
+};