/usr/share/gnucash/jqplot/jquery.min.js is in gnucash-common 1:2.6.15-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/gnucash/jqplot/../../javascript/jquery/jquery.min.js
/usr/share/gnucash/jqplot/../../javascript/jquery/jquery.min.js