ID 463541 - Pie selection menu does not add shelf items

Problem summary
Menu shelf items do not display in Pie Selection menu

Customer reported version
Mari 4.7v1

Customer reported platform
Windows 10

Steps to reproduce

1) In the Shelf palette, copy any brush to the Menu shelf

2) Rename the brush in the Menu shelf to 1

3) Open the Pie Selection Menu (F9)

Expected behaviour
The brush appears in the Pie Selection menu

Actual behaviour
There is nothing in the Pie Selection menu

Workaround
Unknown

Reproduced by support

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

Earliest version tested
Mari 4.6v4 - Windows 10 - CentOS 7 - This issue doesn't appear in this version and has regressed