ID 140465 - Groups/Gizmos - Do not show disabled knobs as disabled

Problem summary

When you add a node with a disabled knob to a group or gizmo, that knob is no longer disabled. It is re-enabled as soon as you add it to the group.

Customer reported version
nuke.11.3v3

Customer reported platform
centos7

Steps to reproduce

1) Create a Write node, check that the frame range (first) knob is disabled

2) Add it to a Group

3) In the Group node's Properties Panel, Right click then Manage User Knobs...

4) Select Pick... then select the Write node's [frame range] first knob and press OK

5) In the Group node's properties is now shows as enabled, when it should be disabled

Expected behaviour
For the disabled Knob on the Write node to show as disabled on the Group node. This also applies to any Gizmo's exported from that group

Actual behaviour
Ths knob shows as enabled

Workaround
If you open the Group node, and open the Write nodes properties, then close and reopen the Group nodes properties, it shows as disabled.

Reproduced by support
This bug has been reproduced in:

Nuke 11.3v3 - Windows 10, CentOS 6.9, Mac OSX 10.13

Also reproduced by developers