ID 464803 - Paint Through tools display of Scalar images does not have the correct transforms applied

Problem summary

When Scalar Data is checked on an image, its display in the Paint Through tool is much brighter than the painted data.

Customer reported version
Mari 4.7v1

Customer reported platform
Windows 10

Steps to reproduce

1) Create a project

2) Add any image in the Image Manager and make sure you enable Scalar Data in its options

3) Create a RAW paint node

4) Drag the image from the image manager to the viewport

5) Select and view the Paint node and use Paint Through tool to paint the object

Expected behaviour
The painted data matches the preview

Actual behaviour
The painted data has the correct transforms but the Paint Through image is much brighter

Workaround
Unknown.

Reproduced by support

This bug has been reproduced in:
Mari 4.7v1 - Windows 10 - CentOS 7

Mari 4.6v4 - Windows 10 - CentOS 7

Mari 4.6v1 - Windows 10 - CentOS 7

Earliest version tested
Mari 4.5v1 - Windows 10 - CentOS 7 - This issue doesn't appear in this version and has regressed