Add an option to hide bookmark count

[Dineshs91]

Add option to hide bookmark count from tweets

This PR adds a new feature to hide bookmark counts from tweets, similar to existing options for hiding reply, retweet, like, and follower counts.

Changes include:

• Added a new storage key KeyBookmarkCount
• Implemented the changeBookmarkCount function to toggle visibility of bookmark counts
• Added a new checkbox option in the Vanity Checkboxes component
• Updated the "Hide All" option to include bookmark counts

The bookmark count hiding feature works by setting the visibility of the span elements within bookmark and removeBookmark elements to hidden when enabled.

Fix MIN-28 and https://github.com/typefully/minimal-twitter/issues/180

CleanShot 2025-04-16 at 22.27.49.mp4 (uploaded via Graphite)

[Dineshs91]

[!WARNING] This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite. Learn more

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[Dineshs91]

Merge activity

• Apr 30, 11:26 AM EDT: A user started a stack merge that includes this pull request via Graphite.
• Apr 30, 11:31 AM EDT: Graphite couldn't merge this pull request because a downstack PR #241 failed to merge.