Anca/Stabilization third party content blocked in pb

[soncuteanca]

Relevant Links

Bugzilla: 1994060
TestRail: 446323

Description of Code / Doc Changes

• Pref setting mismatch between the build opened with selenium vs manual. Set the "culprit" pref on True.

Process Changes Required

Mark the relevant boxes:

• Adds a dependency (rerun pipenv install)
• Changes the BasePage
• Changes or creates a BOM/POM (name the object model): _
• Changes CI flow
• Changes scheduled Beta or DevEdition
• Changes Git hooks or Github settings
• Changes L10n harness

Screenshots or Explanations

If you need to explain your code, do it here.

Comments or Future Work

Do we need to start another PR soon to address something you saw while working on this?

Workflow Checklist

• Please request reviewers
• If this is an unblocker, please post in Slack.
• If asked to address comments, please resolve conversations.
• If asked to change code, please re-request review from the person who wanted changes.

Thank you!

[sv-hyacoub]

lgtm.