@Override
	public void dispose() {
		super.dispose();
		tool = null;
		program = null;
	}
Constructor 
@param tool The tool hosting this dialog
@param dtmService the DataTypeManagerService used for choosing datatypes
@param composite the composite being edited
@param program the program
@param address the address of the data type component
@param ordinal the ordinal of the data type component inside of the composite
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/data/EditDataFieldDialog.java