ID 470550 - Exported clips with Anchor current frame retimes, have extra frame handles when being imported using Build from Tag

Problem summary
Exported clips with Anchor current frame retimes, have extra frame handles when being imported using Build from Tag

Customer reported version
nuke.12.2v3

Customer reported platform

Centos 7

Steps to reproduce

1) Open Nuke Studio

2) Import some footage and add it to the timeline

3) Change to a random frame during the clip, so the playhead isn't on the first frame

4) Right click the clip>Editorial>Retime...

5) Set Rate (%) to 20% and Method to Anchor current frame

6) Right click the clip>Export...

7) In the export dialog, us the default Transcode Shots DPX preset, in Handles enable Apply Retimes, and then Export the clip

8) Right click the clip>Build Track>From Export Tag and in the dialog, press Build.

9) Select then hove over the bottom on the imported clip, it has an extra frame handle at the end:

Expected behaviour
For the imported clips to have no frame handles, as that was what was selected on export

Actual behaviour
An extra frame which shouldn't be there was rendered and imported

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:

NukeStudio 12.2v5 - Windows 10, Centos 7.7

NukeStudio 12.1v1 - Windows 10

NukeStudio 12.0v1 - Windows 10

NukeStudio 11.0v1 - Windows 10

NukeStudio 10.0v1 - Windows 10, Centos 7.7

Earliest version tested
NukeStudio 10.0v1 - This issue appears to be in all versions of the product, previous versions didn't import the clip with the retime not applied, skewing the results