Function getScrollTo

getScrollTo(
    currentLocation: number,
    boundary: number,
    children: any,
    isLeft: boolean,
    defaultValue?: number,
): number
scan all elements until we find one in the given direction Note - only horizontal at the moment
Parameters
- currentLocation: number
- boundary: number
- children: any
- isLeft: boolean
- defaultValue: number = 0
Returns number