GLES 3: Antialiasing Broken in Draw Functions

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:bust_in_silhouette: Asked By Bubu

The antialiased argument does not have an effect when using draw_polyline() or draw_polyline_colors() on the GLES 3 backend while the GLES 2 backend works fine.
This may be a bug but I have to investigate further and confirm this.

There might be a reason for this so I would like to get an explanation.