Fix Holomorphic tests

Eventually, `recursive_accumulate` should be rewritten on top of a new
`VectorSpace` wrapper built on `recursive_map`. Until then, this will
do.

src/Enzyme.jl

@@ -451,10 +451,10 @@ Enzyme.autodiff(ReverseWithPrimal, x->x*x, Active(3.0))
             # compute the correct complex derivative in reverse mode by propagating the conjugate return values
             # then subtracting twice the imaginary component to get the correct result
 
-            for (k, v) in seen
+            for (k, (v,)) in seen
                 Compiler.recursive_accumulate(k, v, refn_seed)
             end
-            for (k, v) in seen2
+            for (k, (v,)) in seen2
                 Compiler.recursive_accumulate(k, v, imfn_seed)
             end