protected void notifyCompositeChanged() {
		updateAndCheckChangeState();
		fireTableDataChanged();
		compositeInfoChanged();
		componentDataChanged();
	}
Returns whether or not the editor has changes that haven't been applied.
Changes can also mean a new data type that hasn't yet been saved.
@return if there are changes
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/compositeeditor/CompositeEditorModel.java