[Bug] Missing function to hide custom apps

[oijkn]

Describe the bug

In the past, custom applications could be hidden from the dashboard. Since the latest versions of CasaOS, this function has disappeared.

To Reproduce

1. write a custom docker-compose and start the stack
2. a new gray icon will appear on the dashboard

Expected behavior

restore function to hide custom applications

Screenshots

System Time

               Local time: Fri 2023-08-04 23:56:01 CEST
           Universal time: Fri 2023-08-04 21:56:01 UTC
                 RTC time: n/a
                Time zone: Europe/Paris (CEST, +0200)
System clock synchronized: yes
              NTP service: active
          RTC in local TZ: no