Merge pull request #11729 from yuwata/fix-11721

sd-device: also store properties read from udev database to sd_device::properties_db

diff --cc src/libsystemd-network/network-internal.c
Simple merge

diff --cc src/libsystemd-network/network-internal.h
Simple merge

diff --cc src/network/networkd-network.c
Simple merge

diff --cc test/test-network/systemd-networkd-tests.py
Simple merge