Fixing menu location, now works also in lexonomy

src/message/show_messages.py

@@ -16,7 +16,7 @@ class GenericShowModal(ClickMessage):
 class ShowMenu(ClickMessage):
     def __init__(self, event, translation):
         super().__init__(event)
-        self.menu_location = (event.pageX, event.pageY)
+        self.menu_location = (event.layerX, event.layerY)
         self.translation = translation
     
     def update_model(self, model):

src/view.py

@@ -85,8 +85,8 @@ class View:
     @staticmethod
     def view_menu(location, menu_shown, translation): 
         style = {
-            "left": str(location[0]),
-            "top": str(location[1])
+            "left": "{}px".format(location[0]),
+            "top": "{}px".format(location[1])
         }
         if menu_shown:
             style["opacity"] = "1"