unbury in deckbrowser, not deckduelist() (#946)

anki/sched.py

@@ -197,7 +197,6 @@ order by due""" % self._deckLimit(),
         "Returns [deckname, did, rev, lrn, new]"
         self._checkDay()
         self.col.decks.recoverOrphans()
-        self.unburyCards()
         decks = self.col.decks.all()
         decks.sort(key=itemgetter('name'))
         lims = {}

aqt/deckbrowser.py

@@ -137,6 +137,7 @@ body { margin: 1em; -webkit-user-select: none; }
     def _renderPage(self, reuse=False):
         css = self.mw.sharedCSS + self._css
         if not reuse:
+            self.mw.col.sched.unburyCards()
             self._dueTree = self.mw.col.sched.deckDueTree()
         tree = self._renderDeckTree(self._dueTree)
         stats = self._renderStats()