MAPG-203 fix signatures in GameController

src/Controller/GameController.php

@@ -72,14 +72,14 @@ class GameController
         );
     }
 
-    public function getMultiGame()
+    public function getMultiGame(): IContent
     {
         $roomId = $this->request->query('roomId');
 
         return new HtmlContent('game', ['roomId' => $roomId]);
     }
 
-    public function prepareGame(int $mapId): IContent
+    public function prepareGame(): IContent
     {
         $mapId = (int) $this->request->query('mapId');
         $map = $this->mapRepository->getById($mapId);
@@ -146,7 +146,7 @@ class GameController
         ]);
     }
 
-    private function getMultiToken(string $roomId, bool $forceNew = false)
+    private function getMultiToken(string $roomId): string
     {
         $session = $this->request->session();