Adds an actor to new_pipeline_form checks

What does this MR do?

This MR adds the project actor to the new_pipeline_form feature flag checks so we can incrementally roll this feature out and test it on a sub-set of projects before full rollout.

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content

touches #30101 (closed)