private void loadData() {

		showTaskView();

		clearColumnData();

		reloadDataButton.setVisible(false);
		Task task = new LoadDataTask();
		task.addTaskListener(this);

		TaskBuilder.withTask(task).launchInBackground(taskMonitorComponent);
	}
Request that any state maintained by the delegate editor pertaining to
column data be cleared.
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/constrainteditor/DataLoadingConstraintEditor.java