ID 359403 - Pressing TAB after typing a value for the Horizontal Wrap field behaves incorrectly

Problem summary
Pressing TAB after typing a value for the Horizontal Wrap field skips the remaining input field and switches to the command field at the below the Properties panel.

Customer reported version
modo.12.1v2

Customer reported platform
windows10

Steps to reproduce
1) Create a cylinder.
2) Switch to the Shader Tree (Shading tab in the Items panel).
3) Select Add Layer > (load image) > select an image.
4) Place the loaded image between the Base Material and Base Shader in the Shader Tree list.
5) With the image selected, Shader Tree > Properties > Texture Locator > Projection Parameters > Horizontal Wrap. Enter a value and press TAB.
Result: Pressing TAB should select the Vertical Wrap field but instead jumps to the Command field of the Properties panel.

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
12.0v1 - OSX 10.12.6 - Windows 10 - CentOS7 
11.2v3 - OSX 10.12.6
11.2v1 - OSX 10.12.6
11.1v1 - OSX 10.12.6 - Windows 10 - CentOS7

Unable to reproduce bug in:
11.0v3 - OSX 10.12.6 - Windows 10 - CentOS7

Earliest version tested
11.0v3 - This issue no longer appears in this version and has regressed

Expected behaviour
The subsequent field is selected (Vertical Wrap)

Actual behaviour
Pressing TAB jumps to the Command field of the Properties panel.