wix: force updating of splitterWindow in ChatWindow (needed when Tarot game is launched)

frontends/src/wix/chat.py

@@ -117,6 +117,7 @@ class Chat(wx.Frame, QuickChat):
             self.sizer.Prepend(self.tarot_panel, 0, flag=wx.EXPAND)
             self.sizer.Layout()
             self.Fit()
+            self.splitter.UpdateSize()
 
     def getGame(self, game_type):
         """Return class managing the game type"""