Allow selection of NPTH pads with zero copper size

Fixes https://gitlab.com/kicad/code/kicad/-/issues/9249

libs/kimath/src/geometry/shape_poly_set.cpp

@@ -1478,6 +1478,9 @@ bool SHAPE_POLY_SET::Collide( const SEG& aSeg, int aClearance, int* aActual,
 bool SHAPE_POLY_SET::Collide( const VECTOR2I& aP, int aClearance, int* aActual,
                               VECTOR2I* aLocation ) const
 {
+    if( IsEmpty() || VertexCount() == 0 )
+        return false;
+
     VECTOR2I nearest;
     ecoord dist_sq = SquaredDistance( aP, aLocation ? &nearest : nullptr );
 

pcbnew/footprint.cpp

@@ -854,6 +854,8 @@ SHAPE_POLY_SET FOOTPRINT::GetBoundingHull() const
     {
         pad->TransformShapeWithClearanceToPolygon( rawPolys, UNDEFINED_LAYER, 0, ARC_LOW_DEF,
                                                    ERROR_OUTSIDE );
+        // In case hole is larger than pad
+        pad->TransformHoleWithClearanceToPolygon( rawPolys, 0, ARC_LOW_DEF, ERROR_OUTSIDE );
     }
 
     for( FP_ZONE* zone : m_fp_zones )