Check_MK Werk 5318: BI aggregations can be configured to be in multiple groups

ID: 5318 Title: BI aggregations can be configured to be in multiple groups Component: BI Level: 1 Class: Bug fix Version: 1.5.0i1 Previously if more than one group were stated in the configuration of any aggregation, the related view displayed an error {{Duplicate BI aggregation}}. Fixed that.