I'm not entirely sure that the +4 bonus to saves against Fear effects from being near a paladin is being added to any calculations. I just got hit with two fear spells, and although the entire party had the Courage flag above their portrait, looking at the die roll page only showed (for example) Class 5 Wisdom 2 and the die roll was counted as d20 + 7.
I works in my game - it didn't come up in the rolls window but there was floater text saying something bout the aura of courage stoping the fear.
Yeah, that's printed for the paladin only (who is immune, no rolls). Everyone else still rolls, but they're supposed to get a +4 bonus.