Move reload/restart/shutdown into an Acties menu in the top bar

The actions are now on every page in the same place instead of a button
row that differed per page.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/voxip_kiosk/web/templates/dashboard.html

@@ -1,5 +1,5 @@
 {% extends "base.html" %}
-{% from "_macros.html" import badge, action, meter with context %}
+{% from "_macros.html" import badge, meter with context %}
 {% set title = "Dashboard" %}
 {% block content %}
 <div class="page-head">
@@ -7,11 +7,6 @@
   <p class="muted">Ververst automatisch elke 5 seconden.</p>
 </div>
 
-<section class="actions-row" aria-label="Snelle acties">
-  {{ action(url_for('ui.kiosk_reload'), "Pagina herladen", "btn-primary", big=True) }}
-  {{ action(url_for('ui.kiosk_restart'), "Chromium herstarten", "btn-secondary", confirm="Chromium wordt afgesloten en opnieuw gestart. Het scherm is enkele seconden zwart.", big=True) }}
-  {{ action(url_for('ui.system_reboot'), "Raspberry Pi herstarten", "btn-danger", confirm="De Raspberry Pi herstart. Het scherm en de beheerinterface zijn ongeveer een minuut niet beschikbaar.", big=True) }}
-</section>
 
 <div class="grid" data-live-status="{{ url_for('ui.api_status') }}">
   <section class="card">