fix: transfer dialog keeps its body and shows a spinner and progress while sending; LPRA in the header leads to the machines; no settings link on the settings page; corner plus clear of the scrollbar

internal/server/web/templates/settings.html

@@ -21,10 +21,9 @@
 </head>
 <body>
 <header class="topbar">
-  <div class="brand">LPRA · Удалённый доступ</div>
+  <div class="brand"><a class="home" href="/" title="К списку машин">LPRA</a> · Удалённый доступ</div>
   <nav>
     <a href="/">Машины</a>
-    <a href="/settings">Настройки</a>
     <button type="button" class="btn ghost icon acct-btn" id="acct" title="Аккаунт" aria-label="Аккаунт"><svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="8" r="4"/><path d="M4 21a8 8 0 0 1 16 0"/></svg></button>
   </nav>
 </header>