refactor: refactor settings to a nested structure (#7244)

packages/cli/src/ui/utils/MarkdownDisplay.test.tsx

@@ -25,6 +25,7 @@ describe('<MarkdownDisplay />', () => {
     { path: '', settings: {} },
     [],
     true,
+    new Set(),
   );
 
   beforeEach(() => {
@@ -224,10 +225,11 @@ Another paragraph.
     const settings = new LoadedSettings(
       { path: '', settings: {} },
       { path: '', settings: {} },
-      { path: '', settings: { showLineNumbers: false } },
+      { path: '', settings: { ui: { showLineNumbers: false } } },
       { path: '', settings: {} },
       [],
       true,
+      new Set(),
     );
 
     const { lastFrame } = render(