When using the direct search from the relationship editor, some direct search results are missing from the dropdown, and others are duplicated.
Direct web-page search result:
For me, the latter two pages contain duplicate results, and other results are missing entirely.
There are 5 duplicates:
I guess this also means that there are 5 missing results.
Presumably this would be fixed by making sure that search results are always ordered consistently, or maybe using some other result pagination method