Werk #16574: Fix sorting of rule group containers on pages listing rule sets

Component	Setup
Title	Fix sorting of rule group containers on pages listing rule sets
Date	Mar 21, 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 2.4.0b2 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

Previously the rule group containers were not properly sorted, making them appear in a random order on each page load.

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