Allow downloading attachments of draft releases (#31369)

Fix #31362

Author: Zettat123

routers/web/repo/repo.go

@@ -418,8 +418,9 @@ func RedirectDownload(ctx *context.Context) {
 	tagNames := []string{vTag}
 	curRepo := ctx.Repo.Repository
 	releases, err := db.Find[repo_model.Release](ctx, repo_model.FindReleasesOptions{
-		RepoID:   curRepo.ID,
-		TagNames: tagNames,
+		IncludeDrafts: ctx.Repo.CanWrite(unit.TypeReleases),
+		RepoID:        curRepo.ID,
+		TagNames:      tagNames,
 	})
 	if err != nil {
 		ctx.ServerError("RedirectDownload", err)