fix: tree data should be optional for file explorer

src/components/FileExplorer.tsx

@@ -11,7 +11,7 @@ import { VisibleNodes, TreeNode } from 'utils/VisibleNodesGenerator'
 import Icon from './Icon'
 
 export type Props = {
-  treeData: TreeData
+  treeData?: TreeData
   metaData: MetaData
   freeze: boolean
   compressSingletonFolder: boolean

src/components/SideBar.tsx

@@ -76,8 +76,7 @@ class Gitako extends React.PureComponent<Props & ConnectorState> {
         {metaData && <MetaBar metaData={metaData} />}
         {errorDueToAuth
           ? this.renderAccessDeniedError()
-          : metaData &&
-            treeData && (
+          : metaData && (
               <FileExplorer
                 compressSingletonFolder={compressSingletonFolder}
                 toggleShowSettings={toggleShowSettings}