/usr/share/kservices5/ is in korganizer 4:15.12.3-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/kservices5/kcmapptsummary.desktop
/usr/share/kservices5/kcmsdsummary.desktop
/usr/share/kservices5/kcmtodosummary.desktop
/usr/share/kservices5/kontact/
/usr/share/kservices5/kontact/journalplugin.desktop
/usr/share/kservices5/kontact/korganizerplugin.desktop
/usr/share/kservices5/kontact/specialdatesplugin.desktop
/usr/share/kservices5/kontact/todoplugin.desktop
/usr/share/kservices5/korganizer/
/usr/share/kservices5/korganizer/datenums.desktop
/usr/share/kservices5/korganizer/hebrew.desktop
/usr/share/kservices5/korganizer/picoftheday.desktop
/usr/share/kservices5/korganizer/thisdayinhistory.desktop
/usr/share/kservices5/korganizer_configcolorsandfonts.desktop
/usr/share/kservices5/korganizer_configdesignerfields.desktop
/usr/share/kservices5/korganizer_configfreebusy.desktop
/usr/share/kservices5/korganizer_configgroupscheduling.desktop
/usr/share/kservices5/korganizer_configmain.desktop
/usr/share/kservices5/korganizer_configplugins.desktop
/usr/share/kservices5/korganizer_configtime.desktop
/usr/share/kservices5/korganizer_configviews.desktop
/usr/share/kservices5/korganizer_part.desktop
/usr/share/kservices5/webcal.protocol