Ensure that all actions are compared to fixed point in time (ie. world update start)

src/server/game/Spells/SpellEffects.cpp

@@ -3730,7 +3730,7 @@ void Spell::EffectSanctuary(SpellEffIndex /*effIndex*/)
             ++itr;
     }
 
-    unitTarget->m_lastSanctuaryTime = getMSTime();
+    unitTarget->m_lastSanctuaryTime = GameTime::GetGameTimeMS();
 
     // Vanish allows to remove all threat and cast regular stealth so other spells can be used
     if (m_caster->GetTypeId() == TYPEID_PLAYER