Tracker blocked, but user don't know which one it is

Summary

A reported tracker may not appear

The problem

Steps to reproduce

Enable tracker blocking within Advanced Privacy

What is the current behavior?

The application list shows "1 tracker blocked out of 1", but clicking on the app, it doesn't show anything.

What is the expected correct behavior?

It shows which tracker is blocked.

Technical information

I detected the problem on the System entry, which covers multiple applications behind.

Relevant logs (adb logcat)

Relevant screenshots

Solutions

Workaround

Possible fixes

Checklist

• License
• Translations
• Documentation
• Test plan

/cc @AlexandreRouxDanzi @thescacrastic