fix(downloads): the failure link keeps the 24px floor on a mouse (E28 S3g)

The S3g measure found the row's failure link 20px tall (the meta line's
text height): DESIGN B1 puts nothing under 24. Coarse pointers already
grew it to 44.

frontend/src/components/downloadRow.tsx

@@ -286,7 +286,7 @@ export function DownloadRow({
               {" "}
               <Pressable
                 onClick={() => onShowError?.(job)}
-                className="text-danger inline-block leading-5 min-h-5 touch-target pointer-coarse:leading-(--touch-target)"
+                className="text-danger inline-block leading-6 min-h-6 touch-target pointer-coarse:leading-(--touch-target)"
                 title={t("downloads.errors.fail.title")}
               >
                 · {t(failCopyKeys(job, "short"))}{" "}