No short name relation type for custom types

Describe the bug

The short name relation type (used in some built-in relations) is not listed as an option when creating custom relations.

To Reproduce

Steps to reproduce the behavior:

    1. Type /rel
    1. Click on ‘+ New relation’
    1. Click on ‘+ Create from scratch’
    1. Hover over the selected type to see all selectable types

Expected behavior

The short name type should appear in the list and be selectable.

Desktop:

  • OS: Linux
  • Version: 0.18.68

@lorenztiel Hi!, we decided to remove it from relation type list for a while