Adjust when to hide org field in scheme creation

app/views/schemes/details.html.erb

@@ -49,11 +49,13 @@
                                            :description,
                                            legend: { text: "Is this scheme registered under the Care Standards Act 2000?", size: "m" } %>
 
-      <% if current_user.data_coordinator? && current_user.organisation.stock_owners.count.zero? && !current_user.organisation.has_recent_absorbed_organisations? %>
+      <% scheme_owning_organisation_options = owning_organisation_options(current_user) %>
+      
+      <% if scheme_owning_organisation_options.count == 1 %>
         <%= f.hidden_field :owning_organisation_id, value: current_user.organisation.id %>
       <% else %>
         <%= f.govuk_collection_select :owning_organisation_id,
-                                      owning_organisation_options(current_user),
+                                      scheme_owning_organisation_options,
                                       :id,
                                       :name,
                                       label: { text: "Which organisation owns the housing stock for this scheme?", size: "m" },