The eye was drawn only while the header itself was hovered; with the
pointer on the eye, egui reports the eye (on top) as hovered and not the
header, so the eye vanished under the pointer and could not be clicked.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01912WaK6Rmew3wxZuPyX7E8