Function getVerticalPositionAdjustment

getVerticalPositionAdjustment(
    height: number,
    containerHeight: number,
    scrollBounds: ScrollBoundaryStats,
): number
Calculates the vertical adjustment needed to best fit an element within a set of scroll bounds. Returns the number of pixels the element should be adjusted by.

Meant for elements that are positioned relative to a container. For example a tooltip or button confirmation box.
Parameters
- height: number
  The height of the element in pixels.
- containerHeight: number
  The height of the element's container in pixels.
- scrollBounds: ScrollBoundaryStats
  The scroll bounds around the container.
Returns number