* Added TEMPSUMMON_TIMED_COMBAT_OR_CORPSE_DESPAWN and TEMPSUMMON_TIMED_COMBAT_OR_DEAD_DESPAWN summon types.
* Ignore combat state when despawning summons by SPELL_EFFECT_SUMMON_WILD and SPELL_EFFECT_SUMMON_DEMON.
* Prevent despawning when mob is in combat or recently died