ID 577463 - Cannot set In and Out points on the same frame in the Timeline

Problem summary
Can no longer set the In and Out points on the same frame in Nuke Studio/Hiero
 
Customer reported version
Hiero.14.1
 
Customer reported platform
Rocky 8
 
Steps to reproduce
 

1. Open Nuke Studio/Hiero
2. Create a new project, and import any video clip. Drag and drop the clip from the bin to the timeline.
3. With the playhead anywhere on the sequence except Frame 1, create In and Out points (press I and O respectively) on the same frame. 

 
Expected behaviour
In/Out points are created on the same frame.
 
Actual behaviour
Creating an In/Out point on the same frame removes the previously placed point, functioning like a toggle.
 

 
Workaround
Unknown.
 
Reproduced by support
 
This bug has been reproduced in:
 
Nuke Studio 15.0v4 - Windows 11 / MacOS 12 Monterey
Nuke Studio 15.0v3 - Windows 11 / MacOS 12 Monterey - REGRESSION
 
Nuke Studio 14.1v4 - Windows 11 / MacOS 12 Monterey
Nuke Studio 14.1v3 - Windows 11 / MacOS 12 Monterey - REGRESSION 
 
Unable to reproduce bug in:
 
Nuke Studio 15.0v2 - Windows 11 / MacOS 12 Monterey
 
Nuke Studio 14.1v2 - Windows 11 / MacOS 12 Monterey
 
 
Earliest version tested
Nuke Studio 14.1v2 
 
- This issue doesn't appear in this version and has regressed