Function ResolveSurfacePlacements

ResolveSurfacePlacements(
    surfaces: readonly MediaSurface[],
    moves: readonly MediaPlacementMove[],
): {
    Hidden: MediaSurface[];
    Pips: MediaSurface[];
    Stage: MediaSurface;
    Tabs: MediaSurface[];
}
Each surface's placement after the user's moves, with the one-stage and PiP-order rules applied.
Parameters
- surfaces: readonly MediaSurface[]
- moves: readonly MediaPlacementMove[]
Returns {
    Hidden: MediaSurface[];
    Pips: MediaSurface[];
    Stage: MediaSurface;
    Tabs: MediaSurface[];
}
- Defined in packages/AI/RealtimeClient/src/media/mediaStage.ts:111