Fix global menu item, don't use view name in selected condition becau…

…se global menu items are selected on every view

src/z3c/menu/ready2go/item.py

@@ -84,6 +84,13 @@ def __repr__(self):
 class GlobalMenuItem(MenuItem):
     """Global menu item."""
 
+    @property
+    def selected(self):
+        if self.viewInterface.providedBy(self.__parent__) and \
+            self.contextInterface.providedBy(self.__parent__.context):
+            return True
+        return False
+
     def getURLContext(self):
         return hooks.getSite()