remove ICON prefix from the enum, for python this is redundant eg.

layout.prop("setting", icon='ICON_BLAH_BLAH')

Also reverted previous commit, the cursor subtype just needed to be added to the switch statement.

release/scripts/ui/space_node.py

@@ -73,7 +73,7 @@ class NODE_MT_view(bpy.types.Menu):
     def draw(self, context):
         layout = self.layout
 
-        layout.operator("node.properties", icon='ICON_MENU_PANEL')
+        layout.operator("node.properties", icon='MENU_PANEL')
         layout.separator()
 
         layout.operator("view2d.zoom_in")