Non-semantic Groups in a semantically tagged Group not shown in Model viewer

[rkoshak]

The problem

If one sets a non-semantically tagged Group as a member of a Group with a semantic tag, that Group does not get shown at all in the model view.

See https://community.openhab.org/t/5-0-0-non-sematic-items-inside-sematic-groups-not-shown/165351

Expected behavior

If "Show non-semantically tagged" is checked, the Group should appear in the model instead of being hidden. Ideally it should be shown under the semantically tagged Group it's a member of.

Steps to reproduce

1. Create a semantically tagged Group
2. Create a non-semantically tagged Group or regular Item
3. Open the model and check "show non semantically tagged Items" and verify that the Item/Group from 2 is nowhere to be found in the model view.

Your environment

runtimeInfo:
  version: 5.0.0
  buildString: Release Build
locale: en-US
systemInfo:
  configFolder: /openhab/conf
  userdataFolder: /openhab/userdata
  logFolder: /openhab/userdata/logs
  javaVersion: 21.0.8
  javaVendor: Eclipse Adoptium
  javaVendorVersion: Temurin-21.0.8+9
  osName: Linux
  osVersion: 6.8.0-71-generic
  osArchitecture: amd64
  availableProcessors: 4
  freeMemory: 166104832
  totalMemory: 2082471936
  uptime: 331324
  startLevel: 100
addons:
  - automation-jsscripting
  - automation-pidcontroller
  - binding-amazonechocontrol
  - binding-astro
  - binding-chromecast
  - binding-ephemeris
  - binding-exec
  - binding-http
  - binding-ipcamera
  - binding-mail
  - binding-matter
  - binding-mqtt
  - binding-nest
  - binding-network
  - binding-networkupstools
  - binding-openweathermap
  - binding-remoteopenhab
  - binding-shelly
  - binding-vesync
  - binding-zigbee
  - binding-zwave
  - misc-openhabcloud
  - persistence-mapdb
  - persistence-rrd4j
  - transformation-basicprofiles
  - transformation-jinja
  - transformation-jsonpath
  - transformation-map
  - transformation-regex
  - ui-basic
  - ui-habot
  - voice-pipertts
clientInfo:
  device:
    ios: false
    android: false
    androidChrome: false
    desktop: true
    iphone: false
    ipod: false
    ipad: false
    edge: false
    ie: false
    firefox: true
    macos: false
    windows: false
    cordova: false
    phonegap: false
    electron: false
    nwjs: false
    webView: false
    webview: false
    standalone: false
    pixelRatio: 1
    prefersColorScheme: light
  isSecureContext: false
  locationbarVisible: true
  menubarVisible: true
  navigator:
    cookieEnabled: true
    deviceMemory: N/A
    hardwareConcurrency: 16
    language: en-US
    languages:
      - en-US
      - en
    onLine: true
    platform: Linux x86_64
  screen:
    width: 2560
    height: 1600
    colorDepth: 24
  support:
    touch: false
    pointerEvents: true
    observer: true
    passiveListener: true
    gestures: false
    intersectionObserver: true
  themeOptions:
    dark: light
    filled: true
    pageTransitionAnimation: default
    bars: light
    homeNavbar: default
    homeBackground: default
    expandableCardAnimation: default
    blocklyRenderer: geras
  userAgent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:141.0) Gecko/20100101
    Firefox/141.0
timestamp: 2025-08-12T17:40:24.549Z