How to make the Polygon zindex level higher than or the same as the CustomMarker

[BenJChen]

How to make the Polygon zindex level higher than or the same as the CustomMarker. Now that they are under different parent elements, even if the zindex is modified, it still has no effect.

[HusamElbashir]

There is no easy way to do this unfortunately. We need to place custom markers on the overlayMouseTarget pane to receive DOM events but polygons etc exist on the overlayLayer pane which is below.