fix(ctx): Remove erroneous recursive call to render_text_viewer_window

tests/test_context_preview_button.py

@@ -98,7 +98,7 @@ def test_text_viewer_window_invoked_in_render_loop():
      content = f.read()
  call_pattern = r'render_text_viewer_window\(app\)'
  matches = list(re.finditer(call_pattern, content))
- assert len(matches) >= 2, f"render_text_viewer_window should be called at least 2 times (once in window, once in modal hook), found {len(matches)}"
+ assert len(matches) >= 1, f"render_text_viewer_window should be called at least once in the main render loop, found {len(matches)}"
 
 if __name__ == '__main__':
  pytest.main([__file__, '-v'])