Function findPolygonIntersections

findPolygonIntersections(
    vectorPolygons: VectorMultiPolygon,
    segment1: Segment,
    segment2: Segment,
): undefined | VectorPoint<Properties>
Find the intersection of two segments if it exists
Parameters
- vectorPolygons: VectorMultiPolygon
  the collection of polygons
- segment1: Segment
  the first segment
- segment2: Segment
  the second segment
Returns undefined | VectorPoint<Properties>
- the intersection if it exists. Undefined otherwise.