Refactor storage content-type handling of ServeDirectURL (#36804)

* replace raw url.Values by *storage.ServeDirectOptions
* implement content-type in azblob
* implement content-disposition in azblob
* add tests for content types in response
* http.MethodPut for azure now allows implementing servedirect uploads

---------

Signed-off-by: ChristopherHX <christopher.homberger@web.de>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/web/repo/attachment.go

@@ -179,7 +179,7 @@ func ServeAttachment(ctx *context.Context, uuid string) {
 
 	if setting.Attachment.Storage.ServeDirect() {
 		// If we have a signed url (S3, object storage), redirect to this directly.
-		u, err := storage.Attachments.URL(attach.RelativePath(), attach.Name, ctx.Req.Method, nil)
+		u, err := storage.Attachments.ServeDirectURL(attach.RelativePath(), attach.Name, ctx.Req.Method, nil)
 
 		if u != nil && err == nil {
 			ctx.Redirect(u.String())