LoadModelFromFileList (fileList)
    {
        let inputFiles = InputFilesFromFileObjects (fileList);
        this.LoadModelFromInputFiles (inputFiles);
    }
Loads the model based on a list of {@link File} objects. The list must contain the main model
file and all of the referenced files. You must use this method when you are using a file picker
or drag and drop to select files from a computer.
@param {File[]} fileList File object list of model files.