private void adjustFieldPanel(FieldPanel fieldPanel) {
		ViewerPosition viewerPosition = fieldPanel.getViewerPosition();
		BigInteger topIndex = viewerPosition.getIndex();
		int topXOffset = viewerPosition.getXOffset();
		int topYOffset = viewerPosition.getYOffset();
		viewCoordinator.viewChanged(fieldPanel, topIndex, topXOffset, topYOffset);
	}
Kicks the field panels viewChanged() method so that the field panels will realign their
layouts using the locked line numbers.

@param fieldPanel the field panel that has focus.
Ghidra/Features/Base/src/main/java/ghidra/features/base/codecompare/listing/ListingCoordinator.java