[2.3.0] Checkmk Werk 16717 created: Fix DCD creation using the Rest API

[//]: # (werk v2) # Fix DCD creation using the Rest API key | value ---------- | --- date | 2024-06-28T12:06:10+00:00 version | 2.3.0p8 class | fix edition | cee component | rest-api level | 1 compatible | yes When creating a DCD using the Rest API, the hour and minutes of the exculded times were saved in an incorrect format, causing the GUI to crash. This werk fixes the problem and the fields are now saved as integers instead of strings.