clfilter: ensure `rollback` is run unfiltered

Rollback logic needs to be aware of the whole repository to work properly.

mercurial/localrepo.py

@@ -978,6 +978,7 b' class localrepository(object):'
         finally:
             release(lock, wlock)
 
+    @unfilteredmeth # Until we get smarter cache management
     def _rollback(self, dryrun, force):
         ui = self.ui
         try: