protected void calculateHeight() {
		heightAbove = (subFields.get(0)).field.getHeightAbove();
		for (FieldRow fieldRow : subFields) {
			height += fieldRow.field.getHeight();
		}
	}
This constructor will create a text field from an array of FieldElements, putting each
element on its own line.

@param textElements the FieldElements to display
@param startX  the x position to draw the element
@param width   the max width allocated to this field
@param maxLines the max number of lines to display
@param hlFactory the highlight factory
@param rowSeparator The string used to space lines of text when concatenated by the
       getText() method.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/field/VerticalLayoutTextField.java