Scripts/Sethekk Halls: Added missing empty check before Trinity::Containers::SelectRandomContainerElement

Ref #20317

src/server/scripts/Outland/Auchindoun/SethekkHalls/boss_talon_king_ikiss.cpp

@@ -180,6 +180,9 @@ class spell_talon_king_ikiss_blink : public SpellScriptLoader
 
             void FilterTargets(std::list<WorldObject*>& targets)
             {
+                if (targets.empty())
+                    return;
+
                 WorldObject* target = Trinity::Containers::SelectRandomContainerElement(targets);
                 targets.clear();
                 targets.push_back(target);