kirigami-icons: mail-message-new-symbolic.svg and many others not found

ninja: error: '/home/user/CraftRoot/download/git/kde/unreleased/kaidan/3rdparty/breeze-icons/icons/actions/symbolic/mail-message-new-symbolic.svg', needed by 'src/kaidan_autogen/YCDLW3T4OG/qrc_kirigami-icons.cpp', missing and no known rule to make it

the icon doesn't exist in breeze-icons

also

3rdparty/breeze-icons/icons/actions/symbolic/go-up.svg doesn't exist

and many others