[2.3.0] Checkmk Werk 16704 created: Fix discovery state filter

[//]: # (werk v2) # Fix discovery state filter key | value ---------- | --- compatible | yes version | 2.3.0p2 date | 2024-05-13T08:00:06+00:00 level | 1 class | fix component | multisite edition | cre The filter "Discovery state" used, e.g. in the "Unmonitored services" view, was non-functional since version 2.0. No results were shown.