More artifacts triggers and tweaks (#6723)

Co-authored-by: mirrorcult <lunarautomaton6@gmail.com>

Content.Server/Power/Events/PowerPulseEvent.cs

@@ -0,0 +1,11 @@
+namespace Content.Server.Power.Events;
+
+/// <summary>
+///     Invoked on a target entity, when it was pulsed with an energy.
+///     For instance, interacted with an active stun baton.
+/// </summary>
+public sealed class PowerPulseEvent : EntityEventArgs
+{
+    public EntityUid? User;
+    public EntityUid? Used;
+}