dirstate: use `dirstate.change_files` to scope the change in `revert`

This is the way.

mercurial/cmdutil.py

@@ -3392,7 +3392,7 b' def revert(ui, repo, ctx, *pats, **opts)'
     names = {}
     uipathfn = scmutil.getuipathfn(repo, legacyrelativevalue=True)
 
-    with repo.wlock():
+    with repo.wlock(), repo.dirstate.changing_files(repo):
         ## filling of the `names` mapping
         # walk dirstate to fill `names`