Add aliases for WebUI routes that were renamed in #16171 (#16772)

Add aliases for WebUI routes that were renamed in #16171 (#16772)

* Add aliases for some WebUI routes that were renamed in #16171

Accounts and statuses routes need more work as they use different parameters.

* Add aliases for /statuses/* routes

* Add aliases for /accounts/* WebUI routes

Does not correctly set the “active” state on the navigation tabs but this is
a minor issue.

* Fix some routes

* Fix /accounts/:id/{media,followers,following} not loading on legacy routes