docs - surfl access does not work

[danton267]

[X,Y] = meshgrid(1:0.5:10,1:20);
Z = sin(X) + cos(Y);
sl = surfl(X,Y,Z,'light');

sl(2).Color = 'r';

fig2plotly(gcf, 'TreatAs', 'surfl');

sl(2).Color = 'r'; does not do anything, it is supposed to change color of peaks.