Scripts/Utgarde Keep: Fixed Ingvar evade in phase 2 (again)

Closes #21264

(cherry picked from commit 96983fc6bb)

src/server/scripts/Northrend/UtgardeKeep/UtgardeKeep/boss_ingvar_the_plunderer.cpp

@@ -198,7 +198,7 @@ class boss_ingvar_the_plunderer : public CreatureScript
 
             void UpdateAI(uint32 diff) override
             {
-                if (!UpdateVictim())
+                if (!events.IsInPhase(PHASE_EVENT) && !UpdateVictim())
                     return;
 
                 events.Update(diff);