Rejuvenate now resets stuns.

Fixes #1198

Content.Server/GameObjects/Components/Mobs/StunnableComponent.cs

@@ -192,6 +192,17 @@ namespace Content.Server.GameObjects.Components.Mobs
             _statusRemoveCancellation = new CancellationTokenSource();
         }
 
+        public void ResetStuns()
+        {
+            _stunnedTimer = 0f;
+            _slowdownTimer = 0f;
+
+            if (KnockedDown)
+                StandingStateHelper.Standing(Owner);
+
+            _knockdownTimer = 0f;
+        }
+
         public void Update(float delta)
         {
             if (Stunned)

Content.Server/GlobalVerbs/RejuvenateVerb.cs

@@ -1,4 +1,5 @@
 using Content.Server.GameObjects;
+using Content.Server.GameObjects.Components.Mobs;
 using Content.Server.GameObjects.Components.Nutrition;
 using Content.Shared.GameObjects;
 using Robust.Server.Console;
@@ -62,6 +63,10 @@ namespace Content.Server.GlobalVerbs
             {
                 thirst.ResetThirst();
             }
+            if (target.TryGetComponent(out StunnableComponent stun))
+            {
+                stun.ResetStuns();
+            }
         }
     }
 }