Merge pull request #12013 from yuwata/fix-switchroot-11997

core: on switching root do not emit device state change based on enumeration results

diff --cc src/core/dbus-manager.c
Simple merge

diff --cc src/core/device.c
Simple merge

diff --cc src/core/main.c
Simple merge

diff --cc src/core/manager.c
Simple merge

diff --cc src/core/manager.h
Simple merge