Support for webgl layer

[tarangrathod]

Hi was trying to print WebGLPointsLayer data but its not printing it. but i am able to print all vector layers

[jmmluna]

Hi, thank you for your issue. It seems interesting to me, I will check it as soon as possible.

[tarangrathod]

I inspected where we have webgl canvas on ui. It seems that webgl canvas always comes out of all the vector layers div and we need to blend two canvas after we fetch them, As fetching webgl layer comes with are different context option 'webgl'.