[2.3.0] Checkmk Werk 16314 created: Fix error on edit of host or service statistics dashlet

[//]: # (werk v2) # Fix error on edit of host or service statistics dashlet key | value ---------- | --- compatible | yes version | 2.3.0b1 date | 2024-01-24T14:06:42+00:00 level | 1 class | fix component | multisite edition | cre If you edited the builtin dashlets "Host statistics" or "Service statistics" on the main dashboard (CRE) / problem dashboard (CEE) you got an error like "Internal error: size" on saving.