Adding the missing Directory.create part.

Author: renemadsen

eFormAPI/Plugins/BackendConfiguration.Pn/BackendConfiguration.Pn/Services/ExcelService/ExcelService.cs

@@ -708,6 +708,7 @@ public Task<Stream> GenerateTaskTracker(List<TaskTrackerModel> model)
                 localizationService.GetString("Deadline")
             };
 
+            Directory.CreateDirectory(Path.Combine(Path.GetTempPath(), "results"));
             var resultDocument = Path.Combine(Path.GetTempPath(), "results",
                 $"{localizationService.GetString("Task calendar")}.xlsx");