easier layermode selection
better layer mode selection rollout
when selecting a different layer mode, put the current layer mode at the top of
the list, and then the others below, stops user hunting upwards offscreen for "normal"
Use cases
quicker, habitual location finding of layer modes
![layerModeSelection](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)