[General] Fix packet validation for ActorPackets sent by server scripts

This allows Lua scripts to send actor data again, which hadn't been possible anymore after 2ed1bfe

components/openmw-mp/Packets/Actor/ActorPacket.cpp

@@ -62,9 +62,12 @@ bool ActorPacket::PacketHeader(RakNet::BitStream *bs, bool send)
     RW(actorList->count, send);
 
     if (actorList->count > maxActors)
+    {
         actorList->isValid = false;
+        return false;
+    }
 
-    return actorList->isValid;
+    return true;
 }
 
 

components/openmw-mp/Packets/World/WorldPacket.cpp

@@ -66,6 +66,7 @@ bool WorldPacket::PacketHeader(RakNet::BitStream *bs, bool send)
         RW(event->cell.mData, send, 1);
         RW(event->cell.mName, send, 1);
     }
+
     return true;
 }