Return false if no media is found on try_next

fix #4345

couchpotato/core/media/movie/searcher.py

@@ -394,8 +394,9 @@ class MovieSearcher(SearcherBase, MovieTypeBase):
                 log.info('Trying next release for: %s', getTitle(media))
                 self.single(media, manual = manual, force_download = force_download)
 
-            return True
+                return True
             
+            return False
         except:
             log.error('Failed searching for next release: %s', traceback.format_exc())
             return False