Werk #16462: Fix empty HW/SW inventory history

Component	HW/SW inventory
Title	Fix empty HW/SW inventory history
Date	Apr 11, 2024
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.4.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.3.0b5 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

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