[2.3.0] Checkmk Werk 16650 adapted: Extension manager crashes if local 'cmk_addon' folder is missing

Werk 16650 was adapted. The following is the new Werk, a diff is shown at the end of the message. [//]: # (werk v2) # Extension manager crashes if local 'cmk_addon' folder is missing key | value ---------- | --- date | 2024-04-03T21:37:00+00:00 version | 2.3.0b4 class | fix edition | cre component | checks level | 1 compatible | yes This regression only affected the 2.3.0b\* versions. ------------------------------------<diff>------------------------------------------- [//]: # (werk v2) # Extension manager crashes if local 'cmk_addon' folder is missing key | value ---------- | --- date | 2024-04-03T21:37:00+00:00 - version | 2.3.0b5 ? ^ + version | 2.3.0b4 ? ^ class | fix edition | cre component | checks level | 1 compatible | yes This regression only affected the 2.3.0b\* versions.