Duplicate: original mesh has no bounding box when mouse used to select

[lawsie]

Describe the bug
When duplicating, the original mesh is supposed to be highlighted with a bounding box so you can see what you're copying. It isn't.

To Reproduce
Steps to reproduce the behaviour:

1. Click on the 'Duplicate' gizmo
2. Click on a mesh to duplicate
3. The mesh is not highlighted with a bounding box

Note that this does work as intended when using the keyboard cursor.

This is a regression because it used to work, but it's proving difficult to figure out why 😩

[tracygardner]

11666de