Fix elevation processing issues duning rendering#237

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EMaksymenko wants to merge 2 commits intoNASAWorldWind:developfrom

WorldWindEarth:fix/elevation-in-rendering

Commits on Dec 7, 2020

Add elevationAtLocation determination in the Globe.
EMaksymenko
committed

Commits on Aug 12, 2022

Fix NavigatorEvent processing issue - message was removed from handler before processing.
EMaksymenko
committed