[Performance] Auto Idle / AFK (#4903)

* [Performance] AFK Client Packet Filtering

* Player feedback

* Update client_packet.cpp

* Fixes

* Streamline updates to SetAFK

* Decouple idling and AFK and manual AFK

* Reset clock timer when we take AFK or idle off

* Exclude bard songs in non combat zones from resetting timer

* GM exclusion adjustments

zone/mob_movement_manager.cpp

@@ -839,6 +839,10 @@ void MobMovementManager::SendCommandToClients(
 				continue;
 			}
 
+			if (c->IsIdle()) {
+				continue;
+			}
+
 			_impl->Stats.TotalSent++;
 
 			if (anim != 0) {
@@ -879,6 +883,10 @@ void MobMovementManager::SendCommandToClients(
 				continue;
 			}
 
+			if (c->IsIdle()) {
+				continue;
+			}
+
 			float distance = c->CalculateDistance(mob->GetX(), mob->GetY(), mob->GetZ());
 
 			bool match = false;