check_multi metrics missing

[datamuc]

Describe the bug

The service doesn't show a pnp graph for all the metrics emitted in check_multi format

Thruk Version

OMD - Open Monitoring Distribution Version 5.11.20230429-labs-edition, Python version 3.9.2
thruk v3.05.20230429

To Reproduce

Extact that in to a $OMD_ROOT multi.zip

Expected behavior

Being able to select all the metrics in the dropdown somehow.

Screenshots

In PNP they are organzied in a tree like structure: