fix: fix update_initializeprob!

Author: AayushSabharwal

src/systems/problem_utils.jl

@@ -825,7 +825,7 @@ A function to be used as `update_initializeprob!` in `OverrideInitData`. Require
 `is_update_oop = Val(true)` to be passed to `update_initializeprob!`.
 """
 function update_initializeprob!(initprob, prob)
-    p = get_scimlfn(prob).initialization_data.metadata.oop_reconstruct_u0_p.getter(
+    p = get_scimlfn(prob).initialization_data.metadata.oop_reconstruct_u0_p.pgetter(
         prob, initprob)
     return remake(initprob; p)
 end