Fix copy song to clipboard showing fields it shouldn't be

Author: MattEqualsCoder

MSUScripter/Services/ControlServices/MsuProjectWindowService.cs

@@ -1091,13 +1091,17 @@ public void ToggleCopyrightStatusIcons(bool? value = null)
             return null;
         }
 
+        output.Id = null!;
         output.TrackNumber = 0;
         output.TrackName = null;
         output.OutputPath = null;
         output.LastModifiedDate = new DateTime();
         output.IsComplete = false;
         output.MsuPcmInfo.ClearFieldsForYaml();
         output.IsAlt = false;
+        output.LastGeneratedDate = new DateTime();
+        output.DisplayAdvancedMode = null;
+        output.MsuPcmInfo.Output = null;
         var yamlText = yamlService.ToYaml(output, YamlType.PascalIgnoreDefaults);
 
         return