With a document open in the web app, Place Embedded was disabled because its menu enablement inherited the engine's native-filesystem check, although the menu path reads the picker's bytes and never touches a path. Place Embedded is now enabled whenever a document and a file-dialog service exist; Place Linked keeps the engine's native guard, since the web could only link to a bare file name (caught in #5817 by Higgs32584). An enablement test runs with the native check forced off, and a file-dialog test covers the browser answer shape, cancel, invalid bytes and the Free Transform handoff.
Fixes#1209. Fixes#5749.
* Fix canvas context menus closing immediately on trackpad taps
Ignore outside-click dismissal during each menu's opening frame.
Share the guard across canvas tool and layer menus, including control-channel openings.
Add regression coverage for quick taps, repeated reopening, dismissal, and selection/history preservation.
* Share popup dismissal guard with the brush picker
* Merge main: pass the context to main's new control-channel Free Transform menu opener
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Co-authored-by: Brandon Thomas <echelon@gmail.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
Gustavo Ziger