ID 533263 - Take Screenshot doesn't work if the View Transform is disabled

Problem summary
Take Screenshot doesn't work if the View Transform is disabled
 
Customer reported version
Mari 6.0v1
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open any project
 
2) Go to View > Screenshot Settings
 
3) Set an Output filepath (image format does not seem to affect this issue)
 
4) Set Background as "Transparent"
 
5) In the View Transform Toolbar, turn off the View Transform
 
6) Go to View Menu > select 'Take Screenshot'
 
7) Check the output image
 
Expected behaviour
The output image should be a screenshot of Mari's viewport.
 
Actual behaviour
The output image is empty.
 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Mari 6.0v1 - Windows 10 - CentOS 7.9
Mari 5.0v3 - Windows 10 - CentOS 7.9 - regression
 
Unable to reproduce bug in:
Mari 5.0v2 - Windows 10 - CentOS 7.9
 
Earliest version tested
Mari 5.0v2 - This issue doesn't appear in this version and has regressed