solve issue #2007 (instanced objects are culled when using WaterFilter)#2008

Ali-RS merged 2 commits intojMonkeyEngine:masterjMonkeyEngine/jmonkeyengine:masterfrom

Ali-RS:intancing-issues-with-waterfilterAli-RS/jmonkeyengine:intancing-issues-with-waterfilterCopy head branch name to clipboard