ID 463064 - Convert To Multiresolution does not convert UDIM textures.

Problem summary
Convert To Multiresolution does not convert UDIM textures.

Customer reported version
modo.14.2v1

Customer reported platform
windows10

Steps to reproduce

1) Download and open the attached scene file. 
2) Run convert to multi-resolution and notice that the UDIM textures aren't converted.

Expected behaviour
The UDIM texture should be converted.

Actual behaviour
The UDIM texture isn't being converted.

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:

14.2v2 - Windows 10

14.2v1 - Windows 10

14.1v2 - Windows 10

14.1v1 - Windows 10

14.0v2 - Windows 10

14.0v1 - Windows 10

13.2v1 - Windows 10

13.1v1 - Windows 10

13.0v1 - Windows 10

12.2v2 - Windows 10

Earliest version tested

12.2v2 - This issue appears to be in all versions of the product.