FIX: Respect force download when downloading secure media via lightbox (PR #10769)

The download link on the lightbox for images was not downloading the image if the upload was marked secure, because the code in the upload controller route was not respecting the dl=1 param for force download.

image

This PR fixes this so the download link works for secure images as well as regular ligthboxed images.

GitHub

The download link on the lightbox for images was not downloading the image if the upload was marked secure, because the code in the upload controller route was not respecting the dl=1 param for force download.

This PR fixes this so the download link works for secure images as well as regular ligthboxed images.