/usr/share/gosa/plugins/ is in gosa-plugin-opsi 2.7.4+reloaded2-9ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gosa/plugins/admin/
/usr/share/gosa/plugins/admin/opsi/
/usr/share/gosa/plugins/admin/opsi/class_opsi.inc
/usr/share/gosa/plugins/admin/opsi/class_opsiProperties.inc
/usr/share/gosa/plugins/admin/opsi/class_opsigeneric.inc
/usr/share/gosa/plugins/admin/opsi/class_opsiware.inc
/usr/share/gosa/plugins/admin/opsi/generic.tpl
/usr/share/gosa/plugins/admin/opsi/opsi_tabs.inc
/usr/share/gosa/plugins/admin/opsi/opsiware.tpl
/usr/share/gosa/plugins/admin/opsi/properties.tpl
/usr/share/gosa/plugins/admin/opsi/tabs_prodconfig.inc
/usr/share/gosa/plugins/admin/opsiLicenses/
/usr/share/gosa/plugins/admin/opsiLicenses/class_filterOpsiLicense.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_licenseByProduct.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_licenseGeneric.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_licensePoolGeneric.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_licenseUsage.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_licenseUsageByHost.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_opsiLicenseHandler.inc
/usr/share/gosa/plugins/admin/opsiLicenses/class_opsiLicenses.inc
/usr/share/gosa/plugins/admin/opsiLicenses/licenseByProduct.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/licenseGeneric.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/licensePoolGeneric.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/licenseUsage.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/licenseUsageByHost.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/main.inc
/usr/share/gosa/plugins/admin/opsiLicenses/opsiLicense-filter.xml
/usr/share/gosa/plugins/admin/opsiLicenses/opsiLicense-list.tpl
/usr/share/gosa/plugins/admin/opsiLicenses/opsiLicense-list.xml
/usr/share/gosa/plugins/admin/opsiLicenses/tabs_licenses.inc