fix: tournamnet: can join tournament

frontend/static/js/api/tournament/Tournament.js

@@ -79,7 +79,7 @@ class Tourmanent
 	 */
 	async init()
 	{
-		let response = await this.client._get(`/api/tournaments/${id}`);
+		let response = await this.client._get(`/api/tournaments/${this.id}`);
 
 		if (response.status !== 200)
 			return response.status;

frontend/static/js/api/tournament/Tournaments.js

@@ -17,12 +17,12 @@ class Tourmanents
 	/**
 	 * 
 	 * @param {Number} id 
-	 * @returns {?Promise<Tournament>}
+	 * @returns {Promise<Tournament>}
 	 */
 	async getTournament(id)
 	{
-		let tournament = new Tourmanent(this.client);
-		if (await tournament.init(id))
+		let tournament = new Tourmanent(this.client, id);
+		if (await tournament.init())
 			return null;
 		return tournament;
 	}

frontend/static/js/views/tournament/TournamentPageView.js

@@ -55,7 +55,7 @@ export default class extends AbstractAuthenticatedView
 		document.getElementById("level").innerText = this.tournament.level;
 		document.getElementById("state").innerText = this.tournament.state;
 
-		if (this.tournament.state === "waiting")
+		if (this.tournament.started === false)
 			button.disabled = false;
 	}