don't require restart to update kanji stats

ankiqt/ui/main.py

@@ -308,13 +308,10 @@ Please do not file a bug report with Anki.\n\n""")
 earliest time returned %f
 counts are %d %d %d
 according to the db %d %d %d
-
 failed:
 %s
-
 rev:
 %s
-
 new:
 %s""" % (delay,
          self.deck.failedSoonCount,

ankiqt/ui/modelchooser.py

@@ -83,6 +83,8 @@ class ModelChooser(QHBoxLayout):
             self.drawModels()
             self.changed(model)
             self.deck.setModified()
+            # check again
+            self.deck.haveJapanese = None
 
     def onChange(self, idx):
         model = self.deck.models[idx]

ankiqt/ui/modelproperties.py

@@ -477,4 +477,6 @@ class ModelProperties(QDialog):
         if self.onFinish:
             self.onFinish()
         self.parent.deck.setUndoEnd(self.undoName)
+        # check again
+        self.parent.deck.haveJapanese = None
         QDialog.reject(self)