fix: fix removal of missing defaults for solved array parameters

Author: AayushSabharwal

src/systems/problem_utils.jl

@@ -574,6 +574,10 @@ function maybe_build_initialization_problem(
             p = unwrap(p)
             stype = symtype(p)
             op[p] = get_temporary_value(p)
+            if iscall(p) && operation(p) === getindex
+                arrp = arguments(p)[1]
+                op[arrp] = collect(arrp)
+            end
         end
 
         for v in missing_unknowns