ID 492163 - Node Graph context menu actions no longer show Shortcuts

Problem summary
Node Graph context menu actions no longer show Shortcuts

Customer reported version
Mari 4.8v1

Customer reported platform
Windows 10

Steps to reproduce

1) Open any project

2) Right-click inside the Node Graph

Expected behaviour
Shortcuts should be displayed next to the actions, for example:

Actual behaviour
No shortcuts are displayed:

Workaround
Unknown.

Reproduced by support
This bug has been reproduced in:
Mari 4.8v1 - Windows 10 - CentOS 7.9

Unable to reproduce bug in:
Mari 5.0v1 - Windows 10 - CentOS 7.9
Mari 4.7v5 - Windows 10 - CentOS 7.9

Earliest version tested
Mari 4.7v5 - This issue doesn't appear in this version and has regressed