Core/PetAI: Fix pet's self-jumping

Fix issue, when pet autocast leap-like spells on itself

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

@@ -182,7 +182,8 @@ void PetAI::UpdateAI(const uint32 diff)
                         spellUsed = true;
                     }
                 }
-
+                if (spellInfo->HasEffect(SPELL_EFFECT_JUMP_DEST))
+                       continue; //pets must jump only to target 
                 // No enemy, check friendly
                 if (!spellUsed)
                 {