Does a fasting person's fast become void if they have a wet dream after Fajr, knowing that they were aware of what was happening around them but without full consciousness?

A wet dream during the daytime in Ramadan does not affect the validity of the fast, even if it leads to the emission of semen, because it is beyond the control of the fasting person. Allah Almighty does not burden a soul beyond its capacity. What invalidates the fast is intentionally emitting semen through intercourse, direct foreplay, or masturbation.