[Code] hide index button when repo is in indexing (#34904)

Author: mw-ding

x-pack/plugins/code/public/components/admin_page/project_item.tsx

@@ -101,7 +101,10 @@ class CodeProjectItem extends React.PureComponent<{
     const settingsVisibility = settingsShow ? 'visible' : 'hidden';
 
     const indexShow =
-      status && status.state !== RepoState.CLONING && status.state !== RepoState.DELETING;
+      status &&
+      status.state !== RepoState.CLONING &&
+      status.state !== RepoState.DELETING &&
+      status.state !== RepoState.INDEXING;
     const indexVisibility = indexShow ? 'visible' : 'hidden';
 
     const deleteShow = status && status.state !== RepoState.DELETING;