dotnet list package --format=json - remove redundant auto-referenced packages warning (#6997)

Author: nkolev92

src/NuGet.Core/NuGet.CommandLine.XPlat/ListPackage/ListPackageJsonRenderer.cs

@@ -102,11 +102,6 @@ private void WriteJson(JsonWriter writer, ListPackageReportModel listPackageRepo
             writer.WritePropertyName(ParametersProperty);
             writer.WriteValue(PathUtility.GetPathWithForwardSlashes(listPackageArgs.ArgumentText));
 
-            if (listPackageReportModel.Projects.Any(p => p.AutoReferenceFound))
-            {
-                _problems.Add(new ReportProblem(ProblemType.Warning, string.Empty, Strings.ListPkg_AutoReferenceDescription));
-            }
-
             if (_problems?.Count > 0)
             {
                 WriteProblems(writer, _problems);

test/NuGet.Core.FuncTests/NuGet.XPlat.FuncTest/XplatListPackageJsonRendererTests.cs

@@ -1403,6 +1403,11 @@ internal ListPackageReportModel CreateListReportModel(ListPackageArgs packageRef
             {
                 var projectModel = new ListPackageProjectModel(project.projectPath);
                 projectModel.TargetFrameworkPackages = project.listPackageReportFrameworks;
+                var hasAutoReferencedTopLevelPackage = project.listPackageReportFrameworks?.Any(packageReportFramework =>
+                                                           packageReportFramework.TopLevelPackages?.Any(topLevelPackage => topLevelPackage.AutoReference) ?? false) ??
+                                                       false;
+
+                projectModel.AutoReferenceFound = hasAutoReferencedTopLevelPackage;
 
                 if (project.projectProblems != null)
                 {