backend: fix a pointer reuse

backend/generation.go

@@ -200,7 +200,8 @@ func genAll() {
 		log.Println("Team retrieval error: ", err)
 	} else {
 		for _, team := range teams {
-			genTeamQueue <- &team
+			myteam := team  // team is reused, we need to create a new variable here to store the value
+			genTeamQueue <- &myteam
 		}
 	}
 }