Fix: handle empty publishedValues in PublishOp.onComplete for optional outputs#6979

bentsherman merged 2 commits intomasternextflow-io/nextflow:masterfrom

6978-module-run-crashes-with-cannot-access-first-element-from-an-empty-list-when-process-has-empty-optional-outputsnextflow-io/nextflow:6978-module-run-crashes-with-cannot-access-first-element-from-an-empty-list-when-process-has-empty-optional-outputsCopy head branch name to clipboard