Bug report: issue compiling CyberChef

**Describe the bug**
when running npm install I get the following:
> cyberchef@9.24.3 postinstall
> npx grunt exec:fixCryptoApiImports

Running "exec:fixCryptoApiImports" (exec) task
>> /bin/sh: 1: [[: not found

I checked and confirmed that I have bash as the shell. Trying it on latest Kali.

**To Reproduce**
Steps to reproduce the behaviour or a link to the recipe / input used to cause the bug:

1. follow the exact installation steps on latest Kali OS. Checked on zsh and bash as default shell for both, root and kali user.

**Expected behaviour**
A clear and concise description of what you expected to happen.

**Screenshots**
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**Desktop (if relevant, please complete the following information):**
- OS: [e.g. Windows]
- Browser: [e.g. chrome 72, firefox 60]
- CyberChef version: [e.g. 9.7.14]

**Additional context**
Add any other context about the problem here.