Toggling game view does not hide icons/assets in viewports outside of perspective view

Toggling game view does not hide icons/assets in viewports outside of perspective view that would not be visible in game mode.

Regression (No) issue (does) occur in 4.10.4

1. Open Editor (any project)
2. In any viewport, set view to Top>Lit mode
3. Press G

Results

Game icons do not get removed from the editor viewport

Expected

Game icons that would not be seen in play are hidden from viewport.

Fix UE-51650

i have this problem UE4CC-Windows-58DC12AF4B97F057BD108FBFF569B2E9_0000

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