front50-2026.4-4: fix(front50): validate pipeline ids on save and update (#8356) (#8357)
Check that a pipeline id supplied on save, update and batchUpdate is not already associated with a different application, and that update keeps the pipeline in its existing application. (cherry picked from commit a00f468) Co-authored-by: Jason mcintoshj@gmail.com Co-authored-by: Claude Sonnet 5.5 noreply@anthropic.com