fix: videoTimestampOffset in sourceUpdater

[adrums86]

Description

fix videoTimestampOffset comparison

Specific Changes proposed

add _ to this.videoTimestampOffset so we compare the value instead of the function. 😁

Requirements Checklist

• [ ] Feature implemented / Bug fixed
• [ ] If necessary, more likely in a feature request than a bug fix
  • [ ] Unit Tests updated or fixed
  • [ ] Docs/guides updated
  • [ ] Example created (starter template on JSBin)
• [ ] Reviewed by Two Core Contributors

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.31%. Comparing base (0a7a362) to head (b3998f0).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1519 +/- ## ======================================= Coverage 86.31% 86.31% ======================================= Files 43 43 Lines 11097 11097 Branches 2532 2532 ======================================= Hits 9578 9578 Misses 1519 1519 ```

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