Bug fixes

• # 2097 Artifacts on implicit surfaces
• # 5472 Fix uniform implicit solver for non-levelset fields
• # 5622 N AOV does not include bump information when shadow_matte is computed too
• # 5662 Warn if missing SSE4.1 support, instead of aborting
• # 5663 AiTextureLoad not using texture_searchpath
• # 5665 Downgrade to SSE4.1
• # 5697 missing UDIM textures do not scale
• # 5704 Same UDIM texture accessed through different texture nodes can be slow
• # 5705 UDIM textures with ignore_textures option set can be very slow