Show SSH Key Setup accordion on edit remote too

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

whm/gniza-whm/remotes.cgi

@@ -537,11 +537,9 @@ sub render_remote_form {
     # ── SSH fields ────────────────────────────────────────────
     my $ssh_hidden = ($remote_type ne 'ssh') ? ' hidden' : '';
 
-    # SSH key guidance (add mode only)
+    # SSH key guidance
     print qq{<div id="type-ssh-guidance"$ssh_hidden>\n};
-    unless ($is_edit) {
     print GnizaWHM::UI::render_ssh_guidance();
-    }
     print qq{</div>\n};
 
     my $auth_method = $conf->{REMOTE_AUTH_METHOD} // 'key';