ID 475019 - Using shortcuts after selecting a Paint Blending Mode changes the selected mode

Problem summary
Using shortcuts after selecting a Paint Blending Mode changes the selected mode

Customer reported version
Mari 4.6v4

Customer reported platform

Windows 10

Steps to reproduce

1) Open any project

2) Select the Paint Tool and change the Paint Blending mode to 'Multiply'

3) Press [C] to switch to the Color Picker

Expected behaviour
The Color Picker Tool should be selected

Actual behaviour
The Paint Blending Mode switches to 'Color Burn'

Workaround

This issue can be prevented by clicking empty space in the Canvas after selecting the Paint Blending Mode but before pressing the shortcut.

Reproduced by support

This bug has been reproduced in:

Mari 4.7v2 - Windows 10 - CentOS 7.7

Mari 4.6v4 - Windows 10

Mari 4.6v1 - Windows 10

Mari 4.5v1 - Windows 10

Mari 4.2v1 - Windows 10

Mari 4.1v1 - Windows 10

Mari 4.0v1 - Windows 10 - CentOS 7.7 - regression

Unable to reproduce bug in:
Mari 3.4v4 - Windows 10 - CentOS 7.7

Earliest version tested
Mari 3.4v4 - This issue doesn't appear in this version and has regressed