fix: minor fix for evaluate_varmap!

Author: AayushSabharwal

src/systems/problem_utils.jl

@@ -486,7 +486,7 @@ function evaluate_varmap!(varmap::AbstractDict, vars; limit = 100)
         v === nothing && continue
         symbolic_type(v) == NotSymbolic() && !is_array_of_symbolics(v) && continue
         haskey(varmap, k) || continue
-        varmap[k] = fixpoint_sub(v, varmap; maxiters = limit)
+        varmap[k] = value(fixpoint_sub(v, varmap; maxiters = limit))
     end
 end