In case Pending Deletion flag is nil, populate it with 'false' value

[bwaresiak]

Task/Issue URL: https://app.asana.com/0/856498667320406/1207582863974542/f Tech Design URL: CC:

Description:

Check if DB sate is unexpected and fix it if needed.

Steps to test this PR:

See tests to validate how state is fixed.

Ensure Bookmarks are still working after the check, and if migration passes.

Definition of Done (Internal Only):

• [ ] Does this PR satisfy our Definition of Done?

Copy Testing:

• [ ] Use of correct apostrophes in new copy, ie ’ rather than '

Orientation Testing:

• [ ] Portrait
• [ ] Landscape

Device Testing:

• [ ] iPhone SE (1st Gen)
• [ ] iPhone 8
• [ ] iPhone X
• [ ] iPhone 14 Pro
• [ ] iPad

OS Testing:

• [ ] iOS 14
• [ ] iOS 15
• [ ] iOS 16

Theme Testing:

• [ ] Light theme
• [ ] Dark theme

---

Internal references:

Software Engineering Expectations Technical Design Template