Ember application not detected with Firefox 120.0

Ember Inspector displays

> Ember application not detected!
>
>Here are some common reasons this happens:
>
> - This is not an Ember application.
> - You are using an old version of Ember (< rc5).

with Firefox 120.0.

**To Reproduce**

Steps to reproduce the behavior:
1. Create a new Ember project by running `ember new super-rentals --lang en`
2. Start the developer server by running `cd super-rentals/ && ember server`
3. Open http://localhost:4200/ using Firefox
4. Open Ember Inspector

**Expected behavior**

Ember Inspector working.

**Environment**

`ember-cli`: 5.4.1

`node` : 20.5.1

`os`: linux x64

Firefox: 120.0

**Additional context**

Ember Inspector works as expected in Chrome.