local_position_estimator: update local_position publication

Ensure all data is set.

src/modules/local_position_estimator/BlockLocalPositionEstimator.cpp

@@ -660,6 +660,8 @@ void BlockLocalPositionEstimator::publishLocalPos()
 		//TODO provide calculated values for these
 		_pub_lpos.get().evh = 0.0f;
 		_pub_lpos.get().evv = 0.0f;
+		_pub_lpos.get().vxy_max = 0.0f;
+		_pub_lpos.get().limit_hagl = false;
 	}
 }