dirstate: also wrap the new method in `dirstatenonnormalcheck`
The goal of this is to make sure we set the data right, so we need to make sure
it run after the new method, that we actually call, in addition to the old one,
that we no longer call.
Differential Revision: https://phab.mercurial-scm.org/D11343
Issue351: mq: qrefresh can create extra revlog entry
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init
$ hg qinit
$ echo b > b
$ hg ci -A -m foo
adding b
$ echo cc > b
$ hg qnew -f foo.diff
$ echo b > b
$ hg qrefresh
$ hg debugindex b
rev linkrev nodeid p1 p2
0 0 1e88685f5dde 000000000000 000000000000