Return false if no media is found on try_next

fix #4345

couchpotato/core/media/movie/searcher.py

@@ -396,6 +396,7 @@ class MovieSearcher(SearcherBase, MovieTypeBase):
 
                 return True
             
+            return False
         except:
             log.error('Failed searching for next release: %s', traceback.format_exc())
             return False