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>

modules/storage/helper_test.go

@@ -37,7 +37,7 @@ func Test_discardStorage(t *testing.T) {
 				assert.Error(t, err, string(tt))
 			}
 			{
-				got, err := tt.URL("path", "name", "GET", nil)
+				got, err := tt.ServeDirectURL("path", "name", "GET", nil)
 				assert.Nil(t, got)
 				assert.Errorf(t, err, string(tt))
 			}