Fixing mirrored components attributes updated in mesh generator, but not passing to later UV generator. This change update the snapshot used in UV generator
Ignore comments reflow in clang-format, unless all files will be touched because of copyright comments
Remove unused mirror code, which is old way of doing mirror: only mirror the meshes. The new way of doing mirror: treat the mirrored components as a separate component with all the attributes copied as the same, just the generated mesh's x-coord mirrored.