Folder folding is not working in Firefox

[PatrLind]

Describe the bug Folder folding is not working in Firefox

To Reproduce

1. Using Firefix, go to https://gchq.github.io/CyberChef/#recipe=JSON_Beautify('%20%20%20%20',false,true)&input=eyJTdWIxMSI6eyJTdWIxMiI6eyJLZXkxMSI6IlZhbHVlMTEifX0sIlN1YjIxIjp7IlN1YjIyIjp7IktleTIxIjoiVmFsdTIxIn19fQ
2. Click on the arrows to fold a sub tree
3. Notice it doesn't fold

Expected behaviour The folders should fold (hide) the same way as they do in Chrome.

Desktop (if relevant, please complete the following information):

• OS: Linux Mint 21.3
• Browser: Firefox 122.0, Chomium 121.0.6167.139
• CyberChef version: 10.6.0

[a3957273]

This issue seems easily reproducible, thanks for the clear bug report! :)

[GoForceX]

Changing

.json-summary {
    display: contents;
}

into

.json-summary {
    display: inline;
    list-style: none;
}

works on my side in Firefox and Edge.