Fix no user listed in org teams page (#22979)

https://github.com/go-gitea/gitea/pull/22294 introduced this bug.
Before:

![picture](https://user-images.githubusercontent.com/18380374/219916000-5b28db1a-22b5-481a-807b-49c14ac1cd35.png)
After:

![picture](https://user-images.githubusercontent.com/18380374/219916260-6b94efbb-836a-4551-b6a8-3f9cb37d822a.png)

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/shared/user/avatarlink.tmpl

@@ -1 +1 @@
-<a class="avatar"{{if gt .user.ID 0}} href="{{.user.HomeLink}}"{{end}}>{{avatar $.Context .}}</a>
+<a class="avatar"{{if gt .user.ID 0}} href="{{.user.HomeLink}}"{{end}}>{{avatar $.Context .user}}</a>