Resolved CSV validation overflow in Google Chrome

When using Google Chrome, validation of records was getting stuck in the UI at 32000+ while importing a CSV file with many invalid records when using the import option in Data type’s local data storage. Investigation showed the Call Stack size limit was exceeded in the Google Chrome dev tools due to the ":first" selector being passed to the Jquery find() method to find the element from the first element child of the XML doc. This selector causes maximum callstack exception when the document is large, and this is a deprecated selector in later versions of Jquery. To resolve this issue, the XML function in pzpega_tools_asyncprocess has been updated to replace the ":first" selector.