Make melee damage not go through MeleeHitEvent.cs (#16881)

Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

Content.Shared/Weapons/Melee/Events/MeleeHitEvent.cs

@@ -66,3 +66,10 @@ public sealed class MeleeHitEvent : HandledEntityEventArgs
         BaseDamage = baseDamage;
     }
 }
+
+/// <summary>
+/// Raised on a melee weapon to calculate potential damage bonuses or decreases.
+/// </summary>
+/// <param name="Damage"></param>
+[ByRefEvent]
+public record struct GetMeleeDamageEvent(DamageSpecifier Damage);