/usr/share/ruby-rails-assets-perfect-scrollbar/app/assets/javascripts/perfect-scrollbar.jquery.js is in ruby-rails-assets-perfect-scrollbar 0.6.7+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/ruby-rails-assets-perfect-scrollbar/app/assets/javascripts/../../../../javascript/perfect-scrollbar/perfect-scrollbar.jquery.js