emails/password_reset: Fix multiple accounts realm uri listing.

templates/zerver/emails/password_reset.source.html

@@ -13,7 +13,7 @@
             organizations.
             <ul>
                 {% for active_account in active_accounts %}
-                <li>{{ active_accounts.realm.uri }}</li>
+                <li>{{ active_account.realm.uri }}</li>
                 {% endfor %}
             </ul>
             You can try logging in or resetting your password in the organization