[4.2.1-4.4.0] Lag (freeze) after in game accumulates in average 10 000 objects

the links to the github for this hotfix: https://github.com/EpicGames/UnrealEngine/commit/25e0f211b357828e3773d4ca370c6d72c7590da5
and https://github.com/EpicGames/UnrealEngine/commit/8631b76215dfde28aab922f89713da59ff976f5b