editMode not working as expected

[gwinnem]

Expected Behavior

When property editMode is set to false, GridItems should not be resizable or draggable.

Current Behavior

When property editMode is set to false.
GridItems can be:

1. Dragged.
2. Resized

This also overrides the layout configuration.

Steps to Reproduce

1. start up sandbox app.
2. click on checkbox editMode so it is not checked.
3. Drag a GridItem.
4. Resize a GridItem.
5. Enable editMode and try to resize GridItem 7, this is not resizable in the test layout.