ID 527874 - Sub-menu status line descriptions contain extra "&" characters

Problem summary
Sub-menu status line descriptions contain extra "&" characters
 
Customer reported version
Mari 5.0v4
 
Customer reported platform
Windows 10
 
Steps to reproduce
 
1) Open any project

2) Go to Channels > Export Flattened and hover your cursor over the options
 
(This bug also affects menu items in the Channels/Layers > Import, Export and Export Flattened sub-menus)

3) Check the descriptive text in the bottom left corner of the UI
 
Expected behaviour
The description of the menu item should be displayed without typos.
 
Actual behaviour
Additional "&" characters are present:

 
Workaround
Unknown.
 
Reproduced by support
This bug has been reproduced in:
Mari 6.0v1 - Windows 10
Mari 4.2v1 - Windows 10
 
Earliest version tested
Mari 4.2v1 - This issue appears to be in all tested versions of the product