fix no file history (#4483)

* fix no file history

* remove useless warning

frontend/src/file-history-old.js

@@ -118,6 +118,8 @@ class FileHistory extends React.Component {
         seafileAPI.listOldFileHistoryRecords(historyRepoID, filePath, this.state.nextCommit).then((res) => {
           this.initOldRecords(res.data);
         });
+      } else {
+        this.setState({isLoading: false});
       }
     }
   }

seahub/views/__init__.py

@@ -775,7 +775,6 @@ def file_revisions(request, repo_id):
     if suffix_list and isinstance(suffix_list, list):
         suffix_list = [x.lower() for x in suffix_list]
     else:
-        logger.warning('Wrong type of suffix_list: %s' % repr(suffix_list))
         suffix_list = []
 
     use_new_api = True if file_ext in suffix_list else False