Core/Spells: MaxAffectedTargets for 47731 Critter

(cherry picked from commit 37fcaf64ef0f4b16debbe16178c032dca7e91563)

src/server/game/Spells/SpellMgr.cpp

@@ -3551,7 +3551,8 @@ void SpellMgr::LoadSpellInfoCorrections()
     });
 
     ApplySpellFix({
-        36384  // Skartax Purple Beam
+        36384, // Skartax Purple Beam
+        47731  // Critter
     }, [](SpellInfo* spellInfo)
     {
         spellInfo->MaxAffectedTargets = 2;