 Tear down FS after user update in CardDAV sync job (#26320)
 Tear down FS after user update in CardDAV sync job (#26320)

Because fetching the user information will also fetch the avatar, the
avatar code sets up the FS and leaves the mount points cached, we need
to call tearDownFS to clear that up.
bluelml/core,bluelml/core,cernbox/core,cernbox/core,bluelml/core,bluelml/core,cernbox/core,cernbox/core,cernbox/core,bluelml/core