Fire MeleeHitEvent on misses. (#12867)

Fire MeleeHitEvent on misses. (#12867)

* Fire MeleeHitEvent when there are no targets.

* Prevent certain weapons from activating if they had no hit entities on hit.

* Prevent miss events from firing when target is yourself or was deleted.

* Use .Value as Target is already known not to be null.

* uid changes

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Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>