[FIX] [web_export_view] Exporting records from a grouped view causes data rows have an empty cell at the beginning. (#807)

web_export_view/static/src/js/web_export_view.js

@@ -140,12 +140,14 @@ openerp.web_export_view = function (instance) {
                     var export_row = [],
                         record = new instance.web.list.Record(record).toForm();
                     $.each(view.visible_columns, function() {
+                        if(this.tag == 'field'){
                             export_row.push(
                                 this.type != 'integer' && this.type != 'float' ?
                                 jQuery('<div/>').html(this.format(
                                     record.data, {process_modifiers: false}
                                 )).text() : record.data[this.id].value
                             );
+                        };
                     })
                     export_rows.push(export_row);
                 });