Werk #12656: Fixed incorrect sorted nodes within BI aggregations

Component	BI
Title	Fixed incorrect sorted nodes within BI aggregations
Date	Jul 7, 2021
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p8 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The generated nodes were not sorted alphabetically.

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