add missing MvNormal Tracker constructor

Author: mohamed82008

src/multivariate.jl

@@ -103,6 +103,12 @@ function MvNormal(
 )
     return TuringMvNormal(m, D)
 end
+function MvNormal(
+    m::TrackedVector{<:Real},
+    D::Diagonal{T, <:AbstractVector{T}} where {T<:Real},
+)
+    return TuringMvNormal(m, D)
+end
 
 # dense mean, diagonal covariance
 MvNormal(m::TrackedVector{<:Real}, σ::TrackedVector{<:Real}) = TuringMvNormal(m, σ)