For no IFE in F you’d be looking at around 20k Avios so I’m pretty sure the 114 is unrelated! YouFirst are part of the reservations team so they can’t really help with issues post-travel, which is generally defined as once your ticket’s been used for a given sector of your journey. The most (and really least) they could have done is pass your details to Customer Relations for them to add the right number of Avios.