release-22.2:Backport!7168

Merged Andrey Vertiprahov requested to merge cherry-pick-b4b6d3b9 into release-22.2

Rebuild managedobject datastream when changed discovery id.

See merge request !7168 (merged)

(cherry picked from commit b4b6d3b9)

13771294 Rebuild managedobject datastream when changed discovery id. f884bc9a Add get_by_id method.

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