[ie/youtube:tab] Fix shorts tab extraction (#10938)

Closes #10936
Authored by: seproDev

yt_dlp/extractor/youtube.py

@@ -5088,7 +5088,7 @@ class YoutubeTabBaseInfoExtractor(YoutubeBaseInfoExtractor):
     def _rich_entries(self, rich_grid_renderer):
         renderer = traverse_obj(
             rich_grid_renderer,
-            ('content', ('videoRenderer', 'reelItemRenderer', 'playlistRenderer')), get_all=False) or {}
+            ('content', ('videoRenderer', 'reelItemRenderer', 'playlistRenderer', 'shortsLockupViewModel'), any)) or {}
         video_id = renderer.get('videoId')
         if video_id:
             yield self._extract_video(renderer)
@@ -5100,6 +5100,21 @@ class YoutubeTabBaseInfoExtractor(YoutubeBaseInfoExtractor):
                 ie=YoutubeTabIE.ie_key(), video_id=playlist_id,
                 video_title=self._get_text(renderer, 'title'))
             return
+        # shortsLockupViewModel extraction
+        entity_id = renderer.get('entityId')
+        if entity_id:
+            video_id = traverse_obj(renderer, ('onTap', 'innertubeCommand', 'reelWatchEndpoint', 'videoId', {str}))
+            if not video_id:
+                return
+            yield self.url_result(
+                f'https://www.youtube.com/shorts/{video_id}',
+                ie=YoutubeIE, video_id=video_id,
+                **traverse_obj(renderer, ('overlayMetadata', {
+                    'title': ('primaryText', 'content', {str}),
+                    'view_count': ('secondaryText', 'content', {parse_count}),
+                })),
+                thumbnails=self._extract_thumbnails(renderer, 'thumbnail', final_key='sources'))
+            return
 
     def _video_entry(self, video_renderer):
         video_id = video_renderer.get('videoId')