public void navigateFieldRight(int field) {
			whichFocus = field;
			fieldStates.get(field).caret = 0;
		}
Change focus to the given field as if navigating right.

<p>
The caret will be moved to the leftmost position, because we're moving right from the
rightmost position of the field to the left.

@param field the field index to be given focus.
Ghidra/Framework/Docking/src/main/java/docking/widgets/textfield/TextFieldLinker.java