The bug was mentioned on [meta](https://meta.discourse.org/t/two-bugs-with-usernames-starting-with-subfolder-name/169505)
When discourse is installed on `/subfolder` and username is containing subfolder name like for example `subfolderadmin` - user URLs were incorrect.
Instead of having `/subfolder/u/subfolderadmin/summary/` we were leading to `/subfolder/uadmin/summary`.
The reason for that was incorrect check in `getUrl` helper:
```javascript
const found = url.indexOf(baseUri);
if (found >= 0 && found < 3) {
return url;
}
return baseUri + url;
```
baseUri is `/subfolder`, url is `/u/subfolderadmin` and indexOf returned position which in the end returned incorrect URL.
I think that we should check if the URL starts with baseUri and not if contains baseUri.
5cbb522c41