Core/Spells: Spells cast through SPELL_AURA_OVERRIDE_ACTIONBAR_SPELLS_TRIGGERED aura should always be instant

Port From (https://github.com/TrinityCore/TrinityCore/commit/4b4c52112d8fc11b90d8acaab0c8b1caa0e0a0c4)

Source/Game/Entities/Unit/Unit.Spells.cs

@@ -933,7 +933,10 @@ namespace Game.Entities
 
             newInfo = findMatchingAuraEffectIn(AuraType.OverrideActionbarSpellsTriggered);
             if (newInfo != null)
+            {
+                triggerFlag |= TriggerCastFlags.IgnoreCastTime;
                 return newInfo;
+            }
 
             return spellInfo;
         }