always set extra property on game activity

Author: tudddorrr

src/lib/logging/createGameActivity.ts

@@ -4,7 +4,7 @@ import GameActivity from '../../entities/game-activity'
 export default async function createGameActivity(em: EntityManager, data: Partial<GameActivity>): Promise<GameActivity> {
   const activity = new GameActivity(data.game, data.user)
   activity.type = data.type
-  if (data.extra) activity.extra = data.extra
+  activity.extra = data.extra
 
   em.persist(activity)