ID 377489 - Freeze when moving a fusion component mesh in attached scene.

Problem summary
Freeze when moving a fusion component mesh in attached scene.
 
Customer reported version
modo.12.2v1

Customer reported platform
windows10

Steps to reproduce
1) Open Modo.
2) Open the attached scene.
3) Select one of the hidden fusion items (green or pink highlights) in the item bin.
4) Press "W" to enable the move tool. Move the item in the viewport.
Result: Modo freezes.

Workaround
Select all of the component fusion items and un-link them from the fusion item, then refuse the items.

Reproduced by support
This bug has been reproduced in:
12.2v1 - Windows 10, OSX 10.13.5

Unable to reproduce bug in:
12.1v2 - Windows 10, OSX 10.13.5

Earliest version tested
12.1v2 - Windows 10, OSX 10.13.5 - This issue no longer appears in this version and has regressed

Expected behaviour
Moving a fusion component item should not cause a freeze.

Actual behaviour
Moving the mesh item causes Modo to freeze and not recover.