- halkyon_ui's sheetShowsAsDialog says whether showAdaptiveSheet shows
a dialog here, for a sheet of its own that can't go through it.
- Learn's conversation, a half-height sheet dragged up, asks it: where
sheets are dialogs it is a dialog up to 720 wide and as tall as the
window, with no handle to drag.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Signed-off-by: Tizian 「ティツィアーン」 <raisondetredev@pm.me>