[Quest API] Add CompleteTask and UncompleteTask methods to Perl/Lua (#4921)

* Add quest::uncompletetask to quest API

* Remove CMakeSettings.json (local build config) from PR

* Push

* Final

* Update embparser_api.cpp

* Update questmgr.cpp

* Update lua_client.cpp

* Fix parcel slot duplication for evolving item augments

---------

Co-authored-by: Kinglykrab <kinglykrab@gmail.com>
Co-authored-by: Chris Miles <akkadius1@gmail.com>

zone/task_client_state.cpp

@@ -1396,6 +1396,16 @@ bool ClientTaskState::CompleteTask(Client *c, uint32 task_id)
 	return true;
 }
 
+bool ClientTaskState::UncompleteTask(int task_id)
+{
+	return std::erase_if(
+		m_completed_tasks,
+		[&](const CompletedTaskInformation& task) {
+			return task.task_id == task_id;
+		}
+	);
+}
+
 void ClientTaskState::ShowClientTaskInfoMessage(ClientTaskInformation *task, Client *c)
 {
 	const auto task_data = TaskManager::Instance()->GetTaskData(task->task_id);