Fix slicing operator

Author: tpadioleau

include/ddc/chunk_span.hpp

@@ -274,7 +274,7 @@ class ChunkSpan : public ChunkCommon<ElementType, SupportType, LayoutStridedPoli
         slicer<to_type_seq_t<SupportType>> const slicer;
         auto subview = slicer(
                 this->allocation_mdspan(),
-                ddc::DiscreteDomain<QueryDDims...>(this->m_domain).distance_from_front(slice_spec));
+                ddc::select<QueryDDims...>(this->m_domain).distance_from_front(slice_spec));
         using layout_type = typename decltype(subview)::layout_type;
         using extents_type = typename decltype(subview)::extents_type;
         using detail::TypeSeq;