@Override
		public void actionPerformed(ActionEvent arg0) {
			updateSearchRangeBySelection();
			dialog.getMessagePanel().clear();
		}
Invoked when the user clicks the radio button that allows them to select a 
custom search range.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/instructionsearch/ui/SelectionScopeWidget.java