Make BARONY_SUPER_MULTIPLAYER functional

[elliot-gh]

This PR fixes issues with the precompiler directive BARONY_SUPER_MULTIPLAYER and makes it functional (though still buggy). I do not have Steamworks or EOS so this has only been tested both with multiple local instances and LAN mode with port forwarding over internet.

Fixes:

• Previously, loading an existing save would not work and cause clients to time out while joining the lobby. This is due to NET_PACKET_SIZE being larger than the packet data used to load an existing 8 player save. The chunk_size in lobbyPlayerJoinRequest() is 98 bytes, and the packet length is defined as 8 + MAXPLAYERS * chunk_size, resulting in a total of 792 bytes. The old NET_PACKET_SIZE is 512, which is too small. I'm not sure what's a good number so I just doubled it.
• Players past 5 would instantly crash upon loading into a game due to xp bar assets missing. I simply reused the assets for players 2-4 to make it playable.
• There aren't any assets for death boxes past player 5, which resulted in death boxes showing up as doors that would block vision. I simply reused the assets for players 2-4 to make it playable.
• I was having compilation errors with USE_PLAYFAB off since I didn't have the libraries/includes, so I moved the includes underneath it.

Bugs:

• There are no assets for death boxes and exp bars past player 5, so the death box, exp bar, and player name colors don't match up. I don't have experience with making assets and I don't believe the license granted for this repo allows us to reuse/redistribute assets, so I haven't created new assets.
• Players past player 4 will be invisible on the lobby menu, but there are no issues with character creation or once in game.
• Occasionally there players will desync. I haven't taken a look at how the netcode works to investigate this.

[SheridanR]

Nice work, we have assets for additional player deathboxes (they actually are designed for color remixing) but not XP bars I think. Ghosts need their own assets too.

[SheridanR]

We also want to improve the user interface so the lobby browser correctly shows lobbies with greater >4 players, you can adjust the player count properly as a host, kick players, and the default player count remains 4. Raising the player count above that shows a pop-up box talking about instability, game design issues with more than 4 players, etc.