feat: the + menu without descriptions, narrower

internal/server/web/static/app.css

@@ -403,7 +403,7 @@ body.dnd, body.dnd * { cursor:grabbing !important; }
 .empty { position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; color:var(--muted); }
 .empty[hidden] { display:none; }
 /* The "+" menu: a terminal here, or on another machine. */
-.addmenu { position:fixed; z-index:50; min-width:270px; max-width:340px; max-height:70vh; overflow:auto; padding:6px;
+.addmenu { position:fixed; z-index:50; min-width:220px; max-width:340px; max-height:70vh; overflow:auto; padding:6px;
            background:var(--panel); border:1px solid var(--border); border-radius:10px; box-shadow:0 14px 36px rgba(0,0,0,.55);
            animation:menu-in .14s ease; }
 .addmenu[hidden] { display:none; }

internal/server/web/static/workspace.js

@@ -477,7 +477,7 @@
     // A group: «Терминал ›» or «Файловый менеджер ›», opening to here, the
     // other machines and an SSH host.
     const group = (icon, label, kind, sshKind, mode) => {
-      const g = item(addMenu, '<span class="ico">' + icon + '</span><span><b>' + label + '</b><small>здесь, на другой машине или по SSH</small></span><span class="chev">›</span>', () => {
+      const g = item(addMenu, '<span class="ico">' + icon + '</span><span><b>' + label + '</b></span><span class="chev">›</span>', () => {
         if (g.nextSibling && g.nextSibling.classList && g.nextSibling.classList.contains('mlist')) { g.nextSibling.remove(); placeMenu(anchor); return; }
         addMenu.querySelectorAll('.mlist').forEach(x => x.remove());
         const list = document.createElement('div');