public void linkLastField(JTextField field) {
		checkLast();
		linkedFields.add(new LinkedField(field, null, null, linkedFields.size()));
		lastField = field;
		instrument();
	}
Add the final field, and actually link the fields

<p>
The fields are not effectively linked until this method is called. Additionally, once this
method is called, the linker cannot take any additional fields.

@param field the final field
Ghidra/Framework/Docking/src/main/java/docking/widgets/textfield/TextFieldLinker.java