Fix ParallelStreamingDataset with resume=True not resuming after the second epoch when breaking early

[philgzl]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Fixes #760.

Added related tests.

PR review

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 80%. Comparing base (825586b) to head (2829273).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #761   +/-   ##
===================================
  Coverage    80%    80%           
===================================
  Files        52     52           
  Lines      7347   7348    +1     
===================================
+ Hits       5890   5891    +1     
  Misses     1457   1457           

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[bhimrazy]

LGTM