working on time list

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

task/src/main/java/de/srsoftware/umbrella/task/TaskModule.java

@@ -216,7 +216,7 @@ public class TaskModule extends BaseHandler implements TaskService {
 	}
 
 	@Override
-	public HashMap<Long, Task> load(List<Long> taskIds) {
+	public HashMap<Long, Task> load(Collection<Long> taskIds) {
 		try {
 			var map = taskIds.stream().map(taskDb::load).collect(Collectors.toMap(Task::id, t -> t));
 			return new HashMap<>(map);