sparse: use `update_file` instead of `normal` during `applyupdates`

This is the newer, more semantic API.

(more content end up "nonnormal", see previous commit)

Differential Revision: https://phab.mercurial-scm.org/D11151

mercurial/sparse.py

@@ -453,7 +453,7 b' def filterupdatesactions(repo, wctx, mct'
             for file, flags, msg in tmresult.getactions(
                 [mergestatemod.ACTION_GET]
             ):
-                dirstate.normal(file)
+                dirstate.update_file(file, p1_tracked=True, wc_tracked=True)
 
     profiles = activeconfig(repo)[2]
     changedprofiles = profiles & files