Fix top level navigation blocks

[SlayterDev]

Please review the release process for BrowserServicesKit here.

Required:

Task/Issue URL: https://app.asana.com/0/1177771139624306/1207278769338326/f
iOS PR: duckduckgo/iOS#2871
macOS PR: duckduckgo/macos-browser#2792
What kind of version bump will this require?: Major/Minor/Patch

Optional:

Tech Design URL:
CC:

Description:

Steps to test this PR:

1. Visit https://privacy-test-pages.site/
2. Open the devtools and paste the following code in:

let btn = document.createElement('button'); document.body.prepend(btn);
btn.innerText = 'click me'
btn.addEventListener('click', ev => { ev.preventDefault(); window.open('https://google-analytics.com/') })

3. Click the created button.
4. Expected: new window is opened on google-analytics.com (or popup blocker triggers).

OS Testing:

• iOS 14
• iOS 15
• iOS 16
• macOS 10.15
• macOS 11
• macOS 12

---

Internal references:

Software Engineering Expectations
Technical Design Template

[mallexxx]

LGTM
That fixed the issue, thanks! but only after cleaning app dir, i.e. content rules recompilation, so we‘ll need a CBR revision bump for the change to take effect