road-bridge layer inversion

[matkoniecz]

As it is 3D renderer it seems unexpected here

https://www.openstreetmap.org/way/943235558 https://www.openstreetmap.org/way/302783162

or https://streets.gl/#50.05315,19.96148,17.50,63.00,467.64

[StrandedKitty]

There's no support for layer tag yet (each feature type gets assigned a layer but it's a constant).