ID 419391 - LiveGroup Tile Color reverts back to grey after copy/paste

Problem summary
LiveGroup Tile Color reverts back to grey after copy/paste

Customer reported version
nuke.11.3v5

Customer reported platform
centos7

Steps to reproduce

1) Open Nuke

2) Create a LiveGroup node

3) Load a valid Nuke script into the LiveGroup node

4) Change the tile_color knob

5) Copy and paste the LiveGroup node, the new node will reset to grey

Expected behaviour
For the tile color to stay the same

Actual behaviour
It resets back to default grey

Reproduced by support

This bug has been reproduced in:
Nuke 12.0v3 - Windows 10 - CentOS 7.7 - MacOSX 10.13

Nuke 11.3v1 - Windows 10

Nuke 11.2v1 - Windows 10

Nuke 11.1v1 - Windows 10

Nuke 11.0v1 - Windows 10 - CentOS 7.7 - MacOSX 10.13

Earliest version tested
Nuke 11.0v1 - This feature did not exist before this version