Copy as Rich Text, HTML Code and Plain Text convert off the window
thread; a newer copy cancels an older one. Offer hands its request to
the menu host once, so a dismissed menu stays shut when its tab returns.
ElyMark Delete Image now targets the pressed picture (component a4bf696).
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>