[extractor] Fix DRM detection in m3u8

Fixes https://github.com/ytdl-org/youtube-dl/issues/31693#issuecomment-1445202857

yt_dlp/extractor/common.py

@@ -2063,6 +2063,7 @@ class InfoExtractor:
                     'protocol': entry_protocol,
                     'preference': preference,
                     'quality': quality,
+                    'has_drm': has_drm,
                     'vcodec': 'none' if media_type == 'AUDIO' else None,
                 } for idx in _extract_m3u8_playlist_indices(manifest_url))
 
@@ -2122,6 +2123,7 @@ class InfoExtractor:
                         'protocol': entry_protocol,
                         'preference': preference,
                         'quality': quality,
+                        'has_drm': has_drm,
                     }
                     resolution = last_stream_inf.get('RESOLUTION')
                     if resolution: