It seems that `sort` isn't necessarily always stab...

# multiplatform

[ankushg]

It seems that sort isn't necessarily always stable. Despite anecdotally being stable in JVM, its unstable in certain JS environments and the docs don't make any guarantees about stability.

Does anyone know of a multiplatform-friendly way to do stable sorts?
https://youtrack.jetbrains.com/issue/KT-12473

[orangy]

@ilya.gorbunov