Render download patch in modal footer

Summary

Uses the remediation's diff's data * to dynamically create a download link (using: \~/lib/utils/downloader)

\* vulnerability.remediations\[0\].diff

Endpoints

Pipeline

GET /api/v4/projects/34/vulnerability_findings?pipeline_id=1

MR Widget

Same as Pipeline

Screenshots

Simple

Split Button (multile actionns)