feat(cli): improve CTRL+O experience for both standard and alternate screen buffer (ASB) modes (#19010)

Co-authored-by: jacob314 <jacob314@gmail.com>

packages/cli/src/ui/components/FolderTrustDialog.test.tsx

@@ -173,7 +173,9 @@ describe('FolderTrustDialog', () => {
     // Initial state: truncated
     await waitFor(() => {
       expect(lastFrame()).toContain('Do you trust the files in this folder?');
-      expect(lastFrame()).toContain('Press ctrl-o to show more lines');
+      // In standard terminal mode, the expansion hint is handled globally by ToastDisplay
+      // via AppContainer, so it should not be present in the dialog's local frame.
+      expect(lastFrame()).not.toContain('Press Ctrl+O');
       expect(lastFrame()).toContain('hidden');
     });