[Expeditions] Track DZ member status in world (#1341)

World now caches and tracks member statuses so it can send them to zones
that request them on startup. Prior to this the cle would be searched in
world for every zone startup caching request, now it's only searched once
when a new expedition is created.

Bulk loading statuses removed since it would only be needed on world
startup now and likely have no clients in the client list anyway.

This also lets world choose non-linkdead members on expedition leader
changes and better detect when a leader change needs to occur

common/expedition_base.cpp

@@ -1,5 +1,6 @@
 #include "expedition_base.h"
 #include "repositories/expeditions_repository.h"
+#include "rulesys.h"
 
 ExpeditionBase::ExpeditionBase(uint32_t id, const std::string& uuid,
 	const std::string& expedition_name, const DynamicZoneMember& leader,
@@ -91,3 +92,27 @@ DynamicZoneMember ExpeditionBase::GetMemberData(const std::string& character_nam
 	}
 	return member_data;
 }
+
+bool ExpeditionBase::SetInternalMemberStatus(uint32_t character_id, DynamicZoneMemberStatus status)
+{
+	if (status == DynamicZoneMemberStatus::InDynamicZone && !RuleB(Expedition, EnableInDynamicZoneStatus))
+	{
+		status = DynamicZoneMemberStatus::Online;
+	}
+
+	if (character_id == m_leader.id)
+	{
+		m_leader.status = status;
+	}
+
+	auto it = std::find_if(m_members.begin(), m_members.end(),
+		[&](const DynamicZoneMember& member) { return member.id == character_id; });
+
+	if (it != m_members.end() && it->status != status)
+	{
+		it->status = status;
+		return true;
+	}
+
+	return false;
+}