feat: overhaul the nakama user management, leaderboard, prep for 2.1

scripts/nakama_manager.gd

@@ -2,7 +2,7 @@ extends Node
 
 # Standard Nakama Configuration
 var nakama_server_key = "defaultkey"
-var nakama_host = "localhost"
+var nakama_host = "tektondash.vps.webdock.cloud"
 var nakama_port = 7350
 var nakama_scheme = "http"
 
@@ -74,7 +74,10 @@ func set_server(host: String, port: int = 7350):
 		nakama_scheme = "http"
 		nakama_port = explicit_port if explicit_port != -1 else port
 
-	_init_client()
+	# Only recreate the client if there is no active session.
+	# If we're already connected, just store the new settings for the next connect.
+	if not session:
+		_init_client()
 	print("[NakamaManager] Server updated to: ", nakama_scheme, "://", nakama_host, ":", nakama_port)
 
 func _process(_delta):