Correctly reset the redirected threat of the hunter's spell Misdirection in cases when it has RemoveMode AURA_REMOVE_BY_DEFAULT

Closes #15930

src/server/scripts/Spells/spell_hunter.cpp

@@ -480,7 +480,7 @@ class spell_hun_misdirection : public SpellScriptLoader
 
             void OnRemove(AuraEffect const* /*aurEff*/, AuraEffectHandleModes /*mode*/)
             {
-                if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_DEFAULT)
+                if (GetTargetApplication()->GetRemoveMode() != AURA_REMOVE_BY_DEFAULT || !GetTarget()->HasAura(SPELL_HUNTER_MISDIRECTION_PROC))
                     GetTarget()->ResetRedirectThreat();
             }