Fix calendar room title

src/plainui/jinja2/plainui/components/calendar.html

@@ -17,10 +17,10 @@
         {% for room, room_events in events.rooms_with_events %}
             <div class="hub-fahrplan__room">
                 {% if public %}
-                    <h2 class="hub-fahrplan__title">// {{room.name}}</h2>
+                    <h2 class="hub-fahrplan__title" title="{{ room.name }}">// {{room.name}}</h2>
                 {% else %}
                     <a class="text-decoration-none a" href="{{ url('plainui:room', room_slug=room.slug) }}">
-                        <h2 class="hub-fahrplan__title">// {{room.name}}</h2>
+                        <h2 class="hub-fahrplan__title" title="{{ room.name }}">// {{room.name}}</h2>
                     </a>
                  {% endif %}
                 {% for entry in room_events %}

src/plainui/styles/sections/_fahrplan.scss

@@ -17,6 +17,9 @@ $public-fahrplan-body-padding: .7rem;
         font-family: "Beon";
         font-size: 2.1875rem; // 35px
         line-height: 1;
+        overflow: hidden;
+        text-overflow: ellipsis;
+        white-space: nowrap;
 
         .active {
             color: $secondary;