edit payoutPartner logic

GME Remit/Modules/RecipientModules/SetupRecipient/User Interface/View/ViewModel/SetupRecipientViewModel.swift

@@ -378,7 +378,11 @@ extension SetupRecipientViewModel: SetupRecipientViewModelInterface {
     case .bank:
       guard let model = model as? SendMoneyBank else { return }
       selectedBankLinker.onNext(model)
-      payoutPartner = model.payoutPartner
+      
+      if let code = model.payoutPartner {
+        payoutPartner = code
+      }
+      
       if model.branchRequired?.lowercased() == "true" {
         selectedBranchLinker.onNext(nil)
       }