Metainfo reference not showing in archive browser

A reference to an archive section does not show in the archive browser since the def is somehow not picked up when using a base section for the sub-section:

but works for a sub class.

To reproduce this, one needs to use:

!2129

https://github.com/nomad-coe/nomad-simulations/pull/121

https://github.com/FAIRmat-NFDI/nomad-parser-vasp/pull/10

@pizarroj @himanel1