[youtube:tab] Return shorts url if video is a short (#3168)

Allows filtering out shorts from feeds with `--match-filter`
Closes #3165
Authored-by: coletdjnz

yt_dlp/extractor/youtube.py

@@ -818,12 +818,17 @@ class YoutubeBaseInfoExtractor(InfoExtractor):
             renderer, ('thumbnailOverlays', ..., 'thumbnailOverlayTimeStatusRenderer', 'style'), get_all=False, expected_type=str)
         badges = self._extract_badges(renderer)
         thumbnails = self._extract_thumbnails(renderer, 'thumbnail')
+        navigation_url = urljoin('https://www.youtube.com/', traverse_obj(
+            renderer, ('navigationEndpoint', 'commandMetadata', 'webCommandMetadata', 'url'), expected_type=str))
+        url = f'https://www.youtube.com/watch?v={video_id}'
+        if overlay_style == 'SHORTS' or (navigation_url and '/shorts/' in navigation_url):
+            url = f'https://www.youtube.com/shorts/{video_id}'
 
         return {
             '_type': 'url',
             'ie_key': YoutubeIE.ie_key(),
             'id': video_id,
-            'url': f'https://www.youtube.com/watch?v={video_id}',
+            'url': url,
             'title': title,
             'description': description,
             'duration': duration,