Core/Pets: Charmed units will properly return near owner after target death (#31748)

(cherry picked from commit e9ddd94992d83a7e552a3550819a68d5f3cc451a)

src/server/game/AI/CoreAI/PetAI.cpp

@@ -355,7 +355,7 @@ void PetAI::HandleReturnMovement()
 
     // Prevent activating movement when under control of spells
     // such as "Eyes of the Beast"
-    if (me->IsCharmed())
+    if (me->isPossessed())
         return;
 
     if (!me->GetCharmInfo())