Task: Fix XML Parsing Error "Data at the root level is invalid. Line 1, position 1"

Task: Fix XML Parsing Error "Data at the root level is invalid. Line 1, position 1": a task in Terminal-Lego-15k (Harbor dataset). When parsing XML strings that contain a Byte Order Mark (BOM) or invisible characters at the beginning, XmlDocument.LoadXml() in C throws the error: "Data at the root…