[Bug Report][3.6.13] Vuetify treeview component doesn't show icons for items with children

[liulysk]

Environment

Vuetify Version: 3.6.13
Vue Version: 3.5.0-alpha.4
Browsers: Chrome 126.0.0.0
OS: Windows 10

Steps to reproduce

    {
      title: 'node_modules',
      file: 'png',
    },
    {
      title: 'public',
      file: 'png',
      children: [
        {
          title: 'static',
          children: [
            {
              title: 'logo.png',
              file: 'png',
            },
          ],
        },
        {
          title: 'favicon.ico',
          file: 'png',
        },
        {
          title: 'index.html',
          file: 'html',
        },
      ],
    }

Expected Behavior

Icons are visible next to item with children items

Actual Behavior

Example in vuetify playground doesn't show default "folder" icon

Reproduction Link

https://play.vuetifyjs.com/#...

Other comments

Supposed to be fixed in release: 3.6.9, #20009

[KaelWD]

Duplicate of #20009