bug fix with stripe sync

[sumanshusamarora]

Description

Issue with None being passed to singer bookmarks utilities when it expects a dict in-stead

How Has This Been Tested?

Local machine

Checklist

• [ x] The PR is tagged with proper labels (bug, enhancement, feature, documentation)
• [x ] I have performed a self-review of my own code
• I have added unit tests that prove my fix is effective or that my feature works
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• If new documentation has been added, relative paths have been added to the appropriate section of docs/mint.json

cc: