Associate subsequent jobs with triggering user

What does this MR do?

When retrying a job, all subsequent processables are updated so they belong to the user who triggered the retry.

Related #202082 (closed)

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• N/A Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• N/A Database guides
• N/A Separation of EE specific content