release-22.2:Backport!7240

Merged Andrey Vertiprahov requested to merge cherry-pick-9400e805-2 into release-22.2

Fix iter_groups and iter_grouped methods on ActiveAlarm.

See merge request !7240 (merged)

(cherry picked from commit 9400e805)

8857aa0b Fix iter_groups and iter_grouped methods on ActiveAlarm.

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