Backport #44081: Swiping away the "private tabs" notification requires rebootstrapping

⬅️ Backport Patchset

Bookkeeping

Issue(s)

• #44081 (closed)

Merge Request(s)

• !1641 (merged)

Target Channels

• Alpha
• Stable
• Legacy

Notes

This fix needs to be verified in nightly before we backport to stable.

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