Remove layers that are not in new event when switching events
Remove layers that are not in new event when switching events

newmanw/mage-server,jclark118/mage-server,jclark118/mage-server,ngageoint/mage-server,ngageoint/mage-server,newmanw/mage-server,ngageoint/mage-server,jclark118/mage-server,ngageoint/mage-server,newmanw/mage-server