Regard torrents and torrent_magnet the same

When sorting the torrents and torrent_magnets were sorted, by taking
only the three first characters (as 'nzb; is three chars), the score
prevails. Fixes #2004

couchpotato/core/plugins/searcher/main.py

@@ -195,7 +195,7 @@ class Searcher(Plugin):
 
                 download_preference = self.conf('preferred_method')
                 if download_preference != 'both':
-                    sorted_results = sorted(sorted_results, key = lambda k: k['type'], reverse = (download_preference == 'torrent'))
+                    sorted_results = sorted(sorted_results, key = lambda k: k['type'][:3], reverse = (download_preference == 'torrent'))
 
                 # Check if movie isn't deleted while searching
                 if not db.query(Movie).filter_by(id = movie.get('id')).first():