Layer re-ordering / checked error #955
Description
Steps to reproduce
Load https://maps4html.org/experiments/multiple-extents/
Turn on the restaurants layer (check it)
Reorder the layers by dragging the bottom layer in the layer control to the top
Uncheck the now-top layer
Result: the top layer in the layer control flips to being the bottom layer in the layer control
What should happen: the top layer in the layer control should remain the top layer in the layer control