Update yt_dlp/extractor/facebook.py

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>

yt_dlp/extractor/facebook.py

@@ -605,7 +605,7 @@ class FacebookIE(InfoExtractor):
                     extract_dash_manifest(video, formats)
 
                     automatic_captions, subtitles = {}, {}
-                    is_video_broadcast = get_first([video], 'is_video_broadcast', expected_type=bool)
+                    is_video_broadcast = traverse_obj(video, ('is_video_broadcast', {bool}))
                     captions = (traverse_obj(video,
                                 ('video_available_captions_locales', lambda _, v: 'captions_url' in v))
                                 or video.get('captions_url'))
@@ -674,8 +674,8 @@ class FacebookIE(InfoExtractor):
                 for edge in edges:
                     parse_attachment(edge, key='node')
 
-                video = (traverse_obj(data, ('event', 'cover_media_renderer', 'cover_video', {dict}))  # event cover video
+                video = traverse_obj(data, (
-                         or data.get('video') or {})
+                    'event', 'cover_media_renderer', 'cover_video'), 'video', expected_type=dict) or {}
                 if video:
                     attachments = try_get(video, [
                         lambda x: x['story']['attachments'],