Initial branch commit for dedi server message routing
* Try to synchronize Connection State through ConnectionInfo where possible
* Use Connection.All for filtered broadcasts so that will use ConnectionInfo if exists
* TargetedMessage support for byte[] array for already packed messages, and pass in NetTransmission flags for routing as well
* For now, one idea is to override SendRawMessage on MockConnection - for these type of Connection we can route through the host
Store Connection internal state if ConnectionInfo doesn't exist then we can just use that
Better synchronization of Connection State - now working as it was before, but should also synchronize other clients properly when on a dedicated server
For filtered connection list / broadcast - if we're the host then use the connections we have, otherwise we should use Connection.All
Include Connection with available connections when broadcasting - as Dedicated Server won't be included in Connection.All (maybe it should, or maybe people should just use Connection.Host)
Serialize TargetMessage flags as byte
system must be set to SendMessage to a Connection. Fix an issue with SenderId when receiving a TargetedMessage - this can't be local, so try to find the connection but if we can't find it just use the source.
Test logs
Some cleanup - fix issue where system isn't initialized so can't serialize. Could be wrong here, but only one system can be active so just use that.
Remove this log
Remove unusued code
Add NetTransmission flag support when using SendMessage via Steam Sockets
Don't forget to add arg to header
Clearer docs here, only log warning if networking debug is enabled here
Some tidy up here
Reset local connection state to Unconnected when closing network system - some debug log for other machine
Close these connections
Remove this log
Add Dedicated Server page to Project Config with its own option for a Startup Scene. When loading a game, if we're headless, use that if its set instead of the usual one.
Don't call INetworkListener.OnActive for dedicated server, similarly don't call OnDisconnected. OnConnected will never get called anyway because it doesn't go through the handshake.
This bit isn't needed actually
Test boot back to main menu
Properly get when disconnected
Use CollectionExtensions properly
Fix test, re-add system member