feat(ui): Shadow UI redesign, domain management, and DNS autoconfigure (#11119)

Co-authored-by: ShadowArcanist <162910371+ShadowArcanist@users.noreply.github.com>

tests/Feature/SettingsUpdatesIconTest.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Instance settings Updates nav must use the reicon "refresh3" glyph.
+ */
+test('settings updates sidebar uses the refresh3 icon', function () {
+    $sidebar = file_get_contents(resource_path('views/components/settings/sidebar.blade.php'));
+    $reicon = file_get_contents(resource_path('views/components/reicon.blade.php'));
+
+    expect($sidebar)
+        ->toMatch("/'label'\\s*=>\\s*'Updates'[\\s\\S]{0,200}?'icon'\\s*=>\\s*'refresh3'/")
+        ->not->toMatch("/'label'\\s*=>\\s*'Updates'[\\s\\S]{0,200}?'icon'\\s*=>\\s*'dashboard'/");
+
+    expect($reicon)
+        ->toContain("'refresh3' =>")
+        ->toContain('stroke-dasharray="3 3"');
+});