Werk #18110: BI: Improve performance when fetching BI data

Component	BI
Title	BI: Improve performance when fetching BI data
Date	Jun 18, 2025
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.4.0p5 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

When querying the data used for BI from livestatus an inefficient format was used, which slowed down the processing of the data.

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