Automatically cleanup _temporary_ids at save
Automatically cleanup _temporary_ids at save

Signed-off-by: Iustin Pop <acf83a5274f31a43af6b914614365999469c1a31@google.com>
Reviewed-by: Michael Hanselmann <68b67885ff74281219b4a4be33cc20fd45078d7c@google.com>
(cherry picked from commit 34d657bae4361b9d6fd8c6314dc7cca57b51c773)

apyrgio/snf-ganeti,andir/ganeti,grnet/snf-ganeti,dimara/ganeti,grnet/snf-ganeti,leshchevds/ganeti,leshchevds/ganeti,bitemyapp/ganeti,andir/ganeti,mbakke/ganeti,apyrgio/ganeti,ganeti/ganeti,apyrgio/snf-ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,apyrgio/ganeti,ganeti/ganeti,bitemyapp/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1,leshchevds/ganeti,yiannist/ganeti,yiannist/ganeti,onponomarev/ganeti,ganeti/ganeti,mbakke/ganeti,onponomarev/ganeti,yiannist/ganeti,mbakke/ganeti