When advancing AI phase, count the pending workflows for latest submissions only

[vas3a]

This pull request enhances the logic for counting in-progress AI workflow runs in the ReviewService to consider only the latest submissions per user or submission, ensuring more accurate metrics. It also adds comprehensive tests to verify the new behavior and improves logging details for better observability.

Improvements to AI workflow run counting:

• Updated the SQL query in getInProgressAiWorkflowRunCount to use a Common Table Expression (latest_submissions) that selects only the latest submission for each user or submission, ensuring that only in-progress workflow runs for these are counted.

Testing enhancements:

• Added a new test case in review.service.spec.ts to verify that getInProgressAiWorkflowRunCount correctly counts only in-progress AI workflow runs for the latest submissions and checks the generated SQL for expected clauses.

Logging improvements:

• Enhanced the action logging in getInProgressAiWorkflowRunCount to include a latestSubmissionsOnly: true flag in the log details, making it clear that only the latest submissions are considered.