Pull request overview

This PR updates the room capacity check to query Fishjam (the media server) for the authoritative player count instead of relying on local state. This addresses issues where missed peerDisconnected events could cause the local state to become out of sync with the actual number of connected players.

Changes:

• Modified addPlayer to call a new getPlayersCount() method that queries Fishjam
• Added getPlayersCount() method to fetch room info from Fishjam and filter for webrtc peers
• Added reconcilePlayersCount() method to synchronize local state with Fishjam's state when discrepancies are detected

		const roomPlayersCount = await this.getPlayersCount();
		if (roomPlayersCount >= ROOM_PLAYERS_LIMIT) {
			throw new GameRoomFullError();
		}
		const { peer, peerToken } = await this.fishjamClient.createPeer(
			this.roomId,
		);

		this.players.set(peer.id, { name });

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