When multiple packing methods results in effectively the same bounds,
prefer the packer that uses the smallest area. When all islands can
easily fit this is usually the box packer instead of alpaca. The zigzag
method of the latter has a tendendcy to take up more area and rotate
islands.
Fix#110724: smart UV project unnecessarily rotates islands
Pull Request: https://projects.blender.org/blender/blender/pulls/112295
89b3249c14