fix: Stock Balance Report Shows Fatal Error #20602 -2

Old:
skip_total_row = result['skip_total_row'] if 'skip_total_row' in result else ''
result["add_total_row"] = report.add_total_row and not skip_total_row

New:
result["add_total_row"] = report.add_total_row and not result.get('skip_total_row')

frappe/desk/query_report.py

@@ -185,8 +185,7 @@ def run(report_name, filters=None, user=None, ignore_prepared_report=False):
 	else:
 		result = generate_report_result(report, filters, user)
 
-	skip_total_row = result['skip_total_row'] if 'skip_total_row' in result else ''
-	result["add_total_row"] = report.add_total_row and not skip_total_row
+	result["add_total_row"] = report.add_total_row and not result.get('skip_total_row')
 
 	return result