Predicted stamina (#12413)

* Predicted stamina

Needed to do some semblence of predicted melee.

* Okay now done.

* Pause support

* Comment

Content.Server/CombatMode/DisarmedEvent.cs

@@ -1,20 +0,0 @@
-namespace Content.Server.CombatMode
-{
-    public sealed class DisarmedEvent : HandledEntityEventArgs
-    {
-        /// <summary>
-        ///     The entity being disarmed.
-        /// </summary>
-        public EntityUid Target { get; init; }
-
-        /// <summary>
-        ///     The entity performing the disarm.
-        /// </summary>
-        public EntityUid Source { get; init; }
-
-        /// <summary>
-        ///     Probability for push/knockdown.
-        /// </summary>
-        public float PushProbability { get; init; }
-    }
-}