ID 225738 - Nuke assigns .HDR files the 8-bit files default LUT instead of the float files default LUT

Problem summary
Nuke assigns .HDR files the 8-bit files default LUT as the default colourspace, when they should use the float files default LUT. 

Customer reported version
nuke.10.0v3

Customer reported platform

Linux

Steps to reproduce

1) Open Nuke

2) Read in a .HDR file

3) Open the Nuke project settings

4) Change the 8-bit files default LUT, the default colourspace on the HDR Read node will change to match, it should match the float files default LUT instead.

Reproduced by support
This problem has been reproduced in:

Nuke 10.0v3 - Windows 10 - CentOS 6.7

Nuke 10.0v1 - Windows 10

Nuke 9.0v9 - Windows 10

Nuke 9.0v1 - Windows 10

Nuke 8.0v6 - Windows 10 - CentOS 6.7 

Expected behaviour
For the HDR default colourspace to be defined by the float files default LUT

Actual behaviour
It was defined by the 8-bit files default LUT