Merge Tool should deselect on empty space

[MightyBOBcnc]

1. In vertex edit mode, select a vertex.
2. Activate the merge tool.
3. Click empty space in the scene.

Observed Result:
The vertex remains selected.

Expected Result:
The vertex is deselected.

Notes:
Observed in Blender 4.1; not sure if it has always been this way.