tests/e2e: add test for authentication flow in compatibility mode (#14392)

* tests/e2e: add test for authentication flow in compatibility mode

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* web: Add prefix class to CSS for easier debugging of constructed stylesheets.

- Use CSS variables for highlighter.

* web: Fix issue where MDX components apply styles out of order.

* web: Fix hover color.

* web: Fix CSS module types. Clean up globals.

* web: Fix issues surrounding availability of shadow root in compatibility mode.

* web: Fix typo.

* web: Partial fixes for storybook dark theme.

* web: Fix overflow.

* web: Fix issues surrounding competing interfaces attempting to apply styles.

* fix padding in ak-alert in. markdown

Signed-off-by: Jens Langhammer <jens@goauthentik.io>

* web: Minimize use of sub-module exports.

---------

Signed-off-by: Jens Langhammer <jens@goauthentik.io>
Co-authored-by: Teffen Ellis <teffen@sister.software>

web/.storybook/manager.js

@@ -0,0 +1,38 @@
+/**
+ * @file Storybook manager configuration.
+ *
+ * @import { ThemeVarsPartial } from "storybook/internal/theming";
+ */
+import { createUIThemeEffect, resolveUITheme } from "@goauthentik/web/common/theme.ts";
+import { addons } from "@storybook/manager-api";
+import { create } from "@storybook/theming/create";
+
+/**
+ * @satisfies {Partial<ThemeVarsPartial>}
+ */
+const baseTheme = {
+    brandTitle: "authentik Storybook",
+    brandUrl: "https://goauthentik.io",
+    brandImage: "https://goauthentik.io/img/icon_left_brand_colour.svg",
+    brandTarget: "_self",
+};
+
+const uiTheme = resolveUITheme();
+
+addons.setConfig({
+    theme: create({
+        ...baseTheme,
+        base: uiTheme,
+    }),
+    enableShortcuts: false,
+});
+
+createUIThemeEffect((nextUITheme) => {
+    addons.setConfig({
+        theme: create({
+            ...baseTheme,
+            base: nextUITheme,
+        }),
+        enableShortcuts: false,
+    });
+});