Fix ParameterVector breaking ModelParameters collection

src/Strat/params.jl

@@ -31,9 +31,10 @@ ComponentArrays.ComponentArray(rv::ParameterVector) = getfield(rv, :vals)
 
 function parameters(model::Tile, transforms::Pair{Symbol,<:Pair{Symbol,<:ParamTransform}}...)
     getparam(x) = x
-    getparam(x::Union{<:AbstractVector,<:Tuple}) = length(x) == 1 ? getparam(x[1]) : collect(getparam.(x))
+    getparam(x::Union{<:AbstractVector,<:Tuple}) = length(x) == 1 ? getparam(x[1]) : Tuple(getparam.(x))
     paramval(x) = ustrip(x)
     paramval(x::Param) = ustrip(x.val)
+    paramval(x::Tuple) = collect(x)
     m = Model(model)
     nestedparams = mapflat(getparam, groupparams(m, :layer, :fieldname); maptype=NamedTuple)
     mappedparams = nestedparams
@@ -44,7 +45,7 @@ function parameters(model::Tile, transforms::Pair{Symbol,<:Pair{Symbol,<:ParamTr
         @set! mappedparams[layer][var] = mapflat(getparam, groupparams(m_transform, :transform, :fieldname); maptype=NamedTuple)
         push!(mappings, ParamMapping(transform, var, layer))
     end
-    mappedarr = ComponentArray(mapflat(paramval, mappedparams))
+    mappedarr = ComponentArray(mapflat(paramval, mappedparams; maptype=NamedTuple))
     return ParameterVector(mappedarr, mappedparams, mappings...)
 end
 @inline @generated function updateparams!(v::AbstractVector, model::Tile, u, du, t)