/usr/share/mozilla/extensions/{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}/{455D905A-D37C-4643-A9E2-F6FEFAA0424A} is in xul-ext-refcontrol 0.8.16-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/mozilla/extensions/{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}/../../../xul-ext/refcontrol