Workaround instance variable issue

app/controllers/projects/security/configuration_controller.rb

@@ -21,11 +21,11 @@ module Projects
       private
 
       def configuration
-        @configuration ||= if unify_configuration_enabled?
-                             configuration_presenter
-                           else
-                             {}
-                           end
+        if unify_configuration_enabled?
+          configuration_presenter
+        else
+          {}
+        end
       end
 
       def configuration_presenter

ee/app/controllers/ee/projects/security/configuration_controller.rb

@@ -32,12 +32,12 @@ module EE
         def show
           return super unless security_dashboard_feature_enabled? && can_read_security_dashboard?
 
-          configuration
+          @configuration ||= configuration_presenter
 
           respond_to do |format|
             format.html
             format.json do
-              render status: :ok, json: configuration.to_h
+              render status: :ok, json: @configuration.to_h
             end
           end
         end
@@ -76,11 +76,6 @@ module EE
           render_404 if ::Feature.disabled?(:security_auto_fix, project)
         end
 
-        override :configuration
-        def configuration
-          @configuration ||= configuration_presenter
-        end
-
         def security_dashboard_feature_enabled?
           vulnerable.feature_available?(:security_dashboard)
         end