@Override
		public void actionPerformed(ActionEvent e) {
			GoToService gs = plugin.getTool().getService(GoToService.class);

			// Only go somewhere if something is actually in the table.  If it's empty this makes
			// no sense.  Note that the plugin.getInstructions() call can never be null, so no 
			// need to check that here.
			if (dialog.getSearchData().getInstructions().size() <= 0) {
				return;
			}

			// We have something in the table, so navigate to the first instruction.  If the
			// first instruction address is null, this means the instruction was likely loaded
			// manually (hence no actual location in the listing).  In this case, just search
			// for the first instance of this instruction and navigate there.  If search returns
			// no results, display a message to the user.
			Address firstAddr = dialog.getSearchData().getInstructions().get(0).getAddr();

			if (firstAddr != null) {
				gs.goTo(firstAddr);
			}
			else {
				if (dialog.getMessagePanel() != null) {
					dialog.getMessagePanel()
							.setMessageText(
								"Instruction was loaded manually, no address in the listing to navigate to.",
								Messages.NORMAL);
				}
			}
		}
Defines an action for navigating to the address locations defined by the
instructions in the table. This is to help users who lose their place in
the listing and need to get back to where the original selection was.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/instructionsearch/ui/InstructionTable.java