/usr/share/icons/hicolor/scalable/apps/lxqt.svg is in lxqt-system-theme 0.12.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/icons/hicolor/scalable/apps/../places/start-here-lxqt.svg
/usr/share/icons/hicolor/scalable/apps/../places/start-here-lxqt.svg