Always allow the local player through the banlist (#540)

Adds a check to always allow local player through banlist to aid with players accidentally banning themselves.

NorthstarDLL/server/auth/bansystem.cpp

@@ -3,6 +3,7 @@
 #include "core/convar/concommand.h"
 #include "server/r2server.h"
 #include "engine/r2engine.h"
+#include "client/r2client.h"
 #include "config/profile.h"
 
 #include <filesystem>
@@ -172,6 +173,10 @@ void ServerBanSystem::UnbanUID(uint64_t uid)
 
 bool ServerBanSystem::IsUIDAllowed(uint64_t uid)
 {
+	uint64_t localPlayerUserID = strtoull(R2::g_pLocalPlayerUserID, nullptr, 10);
+	if (localPlayerUserID == uid)
+		return true;
+
 	ReloadBanlist(); // Reload to have up to date list on join
 	return std::find(m_vBannedUids.begin(), m_vBannedUids.end(), uid) == m_vBannedUids.end();
 }