C#: Adjust the model generator to produce kinds for neutrals.

csharp/ql/src/utils/modelgenerator/internal/CaptureModelsPrinting.qll

@@ -25,8 +25,11 @@ module PrintingImpl<PrintingSig Printing> {
         + Printing::getProvenance()
   }
 
-  string asNeutralModel(Printing::Api api) {
-    result = asPartialNeutralModel(api) + Printing::getProvenance()
+  string asNeutralSummaryModel(Printing::Api api) {
+    result =
+      asPartialNeutralModel(api) //
+        + "summary" + ";" //
+        + Printing::getProvenance()
   }
 
   /**

csharp/ql/src/utils/modelgenerator/internal/CaptureSummaryFlowQuery.qll

@@ -86,5 +86,5 @@ string captureFlow(DataFlowTargetApi api) {
  */
 string captureNoFlow(DataFlowTargetApi api) {
   not exists(captureFlow(api)) and
-  result = ModelPrinting::asNeutralModel(api)
+  result = ModelPrinting::asNeutralSummaryModel(api)
 }