Follow-up from "Use bulk-dismissal mutation on vulnerability report"

The following discussion from !124078 (merged) should be addressed:

• @svedova started a discussion: (+2 comments)

  question I'm wondering if this.$emit('vulnerability-updated', [ids]) is a better approach or not 🤔 If the parent needs a list of all updated vulnerabilities, I think it's easier for it to iterate over an array than to listen an event multiple times to aggregate the array. WDYT?