[2.4.0] Checkmk Werk 16586 created: Fix network scan fail to run due to invalid user

[//]: # (werk v2) # Fix network scan fail to run due to invalid user key | value ---------- | --- date | 2024-03-27T09:40:30+00:00 version | 2.4.0b1 class | fix edition | cre component | wato level | 1 compatible | yes Before this Werk, when running the scheduled network scan for a folder it failed with the message "An exception occured: Invalid username: 'Network scan'". This Werk fixes that problem and now the network scan runs correctly with the configured user.