ID 158882 - Copying over the values of a stereo knob only functions for the eye the Viewer is set to.

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Problem summary
Copying over values of a stereo knob between two of the same node malfunctions if the user has the Viewer set to the opposite view. 
 
Customer reported version
nuke.11.2v3
 
Customer reported platform
centos7
 
Example steps to reproduce
1.   Open Nuke 11.2v3, press S to open the Settings, and select Set up views for stereo under the Views tab.
2.   Create two Grade nodes, and in the Properties tab of Grade1 and Grade2, right click on a knob and select Split all knobs, or split out a specific knob per our Python docs.
3.  With the Viewer set to the left view, change the blackpoint (r) knob of Grade1 to 1 and the  blackpoint (l) knob of the same node to 2.
4.  Right-click on the blackpoint (r) knob of Grade1, select Copy Values/Animation/Links, then right-click on the blackpoint (r) knob of Grade2, and select Paste Absolute/Relative. 
5.  Note that only the value of the left knob is pasted, and the value of the right knob remains unchanged. This also occurs with other copy/paste functionality as well.
 
Workaround
Set the Viewer to the eye of the same knob you are trying to change. I.e., if you are attempting to copy/paste the right eye values from one node to another, the Viewer must be set to right view. 
 
Reproduced by support
Nuke 11.2v3 - Windows 7 - OS X 10.11
Nuke 11.2v1 - Windows 7
Nuke 11.1v6 - Windows 7
Nuke 11.1v1 - Windows 7
Nuke 11.0v4 - Windows 7
Nuke 11.0v1 - Windows 7
Nuke 10.5v7 - Windows 7
Nuke 10.5v1 - Windows 7
Nuke 10.0v6 - Windows 7
Nuke 10.0v1 - Windows 7
Nuke 9.0v9 - Windows 7
Nuke 9.0v1 - Windows 7
Nuke 8.0v7 - Windows 7
Nuke 8.0v1 - Windows 7
Nuke 7.0v10 - Windows 7 - OS X 10.11
 
Earliest version tested
Nuke 7.0v10 - This issue appears to be in all versions of the product
 
Expected behaviour
The copied values of a stereo knob should be correctly pasted between two nodes, regardless of the view that the Viewer is set to.
 
Actual behaviour
Only the value for the eye the user is viewing is pasted over, and sometimes it is the incorrect value. 
 
When the user uses the Copy Values and Paste Absolute menu options for the right eye when the Viewer is set to the left eye, only the left eye is pasted over, and vice versa.
  • This also occurs when using any combination of Copy Values, Copy Animation, Copy Links > Paste Absolute, Paste Relative. 
When the users uses CTRL+C to copy the right eye value of a stereo knob, and Paste Absolute/Paste Relative when the Viewer is set to the left eye, the value will be incorrectly pasted into the left eye, and vice versa.
  • This also occurs when RMB dragging the curve icon in an attempt to copy/paste the stereo values. 
It should be noted that although the values do not change in the knob, the change is reflected in the Viewer if an image or video. 

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