Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `app/views/admin/pending_accounts/index.html.haml`:
  Removed upstream, while it had glitch-soc-specific changes to accomodate
  for glitch-soc's theming system.
  Removed the file.

Additional changes:
- `app/views/admin/accounts/index.html.haml':
  Accomodate for glitch-soc's theming system.

app/models/account.rb

@@ -129,6 +129,8 @@ class Account < ApplicationRecord
            :unconfirmed_email,
            :current_sign_in_ip,
            :current_sign_in_at,
+           :created_at,
+           :sign_up_ip,
            :confirmed?,
            :approved?,
            :pending?,