[Ide] Proper workaround for multi project templates bug

main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Templates/MicrosoftTemplateEngineProjectTemplatingProvider.cs

@@ -108,9 +108,11 @@ public async Task<ProcessedTemplateResult> ProcessTemplate (SolutionTemplate tem
 				if (!File.Exists (fullPath)) {
 					// Work around a bug in the templating engine with multi project templates
 					// See https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1016597
-					fullPath = fullPath.Replace ("NewApp", config.ProjectName);
+					var resolvedPath = result.CreationEffects.FileChanges.OfType<IFileChange2> ().FirstOrDefault (f => f.SourceRelativePath == GetPath (path));
+					if (resolvedPath != null) {
+						fullPath = Path.Combine (config.ProjectLocation, resolvedPath.TargetRelativePath);
+					}
 				}
-
 				if (Services.ProjectService.IsSolutionItemFile (fullPath))
 					workspaceItems.Add (await MonoDevelop.Projects.Services.ProjectService.ReadSolutionItem (new Core.ProgressMonitor (), fullPath));
 			}