feat: add a component for rejuvenateable status effects (#39025)

* feat: add a component for rejuvenateable effects

* feat: let god mode'd entities get buffs

* fix: handle old status effect system

Didn't realize BeforeStatusEffectAddedEvent was called by both systems,
oops.

* refactor: rename to RejuvenateRemovedStatusEffect

* fix: make forced sleeping a debuff again

Missed in rebase.

* refactor: make BeforeStatusEffectAdded two events

Content.Shared/StatusEffect/StatusEffectsSystem.cs

@@ -353,7 +353,7 @@ namespace Content.Shared.StatusEffect
             if (!Resolve(uid, ref status, false))
                 return false;
 
-            var ev = new BeforeStatusEffectAddedEvent(key);
+            var ev = new BeforeOldStatusEffectAddedEvent(key);
             RaiseLocalEvent(uid, ref ev);
             if (ev.Cancelled)
                 return false;
@@ -481,6 +481,13 @@ namespace Content.Shared.StatusEffect
         }
     }
 
+    /// <summary>
+    /// Raised on an entity before a status effect is added to determine if adding it should be cancelled.
+    /// Obsolete version of <see cref="BeforeStatusEffectAddedEvent" />
+    /// </summary>
+    [ByRefEvent, Obsolete("Migration to StatusEffectNew.StatusEffectsSystem is required")]
+    public record struct BeforeOldStatusEffectAddedEvent(string EffectKey, bool Cancelled = false);
+
     public readonly struct StatusEffectAddedEvent
     {
         public readonly EntityUid Uid;