Stop blocking event propagation of keydown for tor circuit button
Merge Info
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Related Issues
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Backport Timeline
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Immediate - patchsets for critical bug fixes or other major blocker (e.g. fixes for a 0-day exploit) OR patchsets with trivial changes which do not need testing (e.g. fixes for typos or fixes easily verified in a local developer build)  - 
Next Minor Stable Release - patchset that needs to be verified in nightly before backport  - 
Eventually - patchset that needs to be verified in alpha before backport  - 
No Backport - patchset for the next major stable  
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Upstream Merging
- No upstream merge.
 
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Issue Tracking
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Link resolved issues with appropriate Release Prep issue for changelog generation  
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Change Description
Stop blocking event propagation of keydown events that we do not handle. This lets the arrow key events pass on to ToolbarKeyboardNavigator.