Better child error when creating geom from array

[tiemvanderdeure]

When creating a geometry from an array that contains elements with the wrong trait, refer to the first element that has the wrong trait, rather than the first element of the array.

MWE:

import GeoInterface as GI
p = GI.Point(0,0)
x = 1
GI.Line([p, x])

Before this PR throws a

ERROR: ArgumentError: GeoInterface.LineTrait must have child objects with trait GeoInterface.PointTrait, got GeoInterface.Wrappers.Point{false, false, Tuple{Int64, Int64}, Nothing} with trait 
GeoInterface.PointTrait()

After this PR throws a:

ERROR: ArgumentError: LineTrait must have child objects with trait PointTrait, got Int64 with trait nothing

[tiemvanderdeure]

@rafaqz @asinghvi17 could one of you review/merge this?

[asinghvi17]

Thanks!