Don't show file not added for project json file

src/ViewModels/MainViewModel.cs

@@ -345,9 +345,12 @@ class MainViewModel : BaseViewModel, IFontResolver, ICanCheckShutdown
                 }
             }
             if (!didMatch)
+            {
+                if (!filePath.EndsWith(GetReportSavedDataFileName()))
                 {
                     LogInfo("File {0} did not match allowed file extension types, so it was not added.", filePath);
                 }
+            }
             else
             {
                 var date = Utilities.CheckValidDateInString(filePath);