Widget macro won't render YouTube's tiny link.

Summary

Widget macro won't render YouTube's tiny link.

Steps to Reproduce

1. Insert the Widget macro.
2. Get a tiny link from a YouTube video:
   • https://youtu.be/uhWCMlcY_Zw (tiny)
   • https://www.youtube.com/watch?v=uhWCMlcY_Zw (regular)
3. Insert into the gadget's settings.

Expected Results

Widget will render the video

Actual Results

• Video is not rendered.

  2018-02-01 17:32:10,995 ERROR [http-nio-8090-exec-6] [confluence.extra.widgetconnector.WidgetConnectorUtil] isURLMatch Invalid URL [ https://youtu.be/yMvdauAUQDs] provided - Illegal character in scheme name at index 0:
  

Notes

Workaround

Use the regular URL