[web] small tweaks for display of deleted projects in admin panel (#26747)

* [web] display project expiry date and badge

Co-authored-by: Alex Bourdin <alex.bourdin@overleaf.com>

* [web] redirect admins to deleted project page

* Expiration badge tweaks

* [web] fix frontend tests

---------

Co-authored-by: Alex Bourdin <alex.bourdin@overleaf.com>
GitOrigin-RevId: 42dafb5e4e3e781c87fa26092ea9b3400f471bb8

services/web/frontend/stylesheets/bootstrap-5/pages/admin/admin.scss

@@ -96,3 +96,7 @@
   // firefox does not show markers for block items
   display: list-item;
 }
+
+.expiration-label {
+  vertical-align: super;
+}