Ast-1070 fix OnePredict getRequiredFields()
In !750 (merged), it turned out that OnePredict also needs the Data field (it calls "GetModel(thread).data()", which crashes if the data field is not available)
Edited by Chiara Salvoni
In !750 (merged), it turned out that OnePredict also needs the Data field (it calls "GetModel(thread).data()", which crashes if the data field is not available)