Add parent type for UnstructuredMap

Author: ptiede

ext/ComradeBaseAdaptExt.jl

@@ -36,4 +36,8 @@ function Adapt.parent_type(::Type{<:IntensityMap{T, N, D, G, A}}) where {T, N, D
     return A
 end
 
+function Adapt.parent_type(::Type{<:UnstructuredMap{T, D, G, A}}) where {T, D, G, A}
+    return A
+end
+
 end