/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/ is in icingaweb2-module-monitoring 2.1.0-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/comments.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/components/
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/components/hostssummary.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/components/selectioninfo.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/components/servicesummary.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/contactgroups.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/contacts.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/downtimes.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/eventgrid.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/eventhistory.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/hostgroups.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/hosts.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/notifications.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/servicegrid.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/servicegroups.phtml
/usr/share/icingaweb2/modules/monitoring/application/views/scripts/list/services.phtml