feat(widgets): a troubled container on the Docker widget says since when (#5810)

Its problems and since come from the same container_problems and
problem_since the Docker page uses, read from the day's deaths and
health changes; troubled containers sort worst problem first, then name.

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

plugins/docker/templates/docker/widget.html

@@ -35,7 +35,8 @@
   <span class="w-label" title="{{ c.name }}">
     {%- if session.user_id %}<a href="/plugins/docker/container/{{ c.host_id }}/{{ c.name }}">{{ c.name }}</a>{% else %}{{ c.name }}{% endif %}
     <span class="w-sub tone-crit">
-      {%- if c.health == 'unhealthy' %}unhealthy{% elif c.status == 'restarting' %}restarting{% else %}exited {{ c.exit_code }}{% if c.oom_killed %}, out of memory{% endif %}{% endif %} · {{ host_name.get(c.host_id, c.host_id) }}
+      {%- if c.health == 'unhealthy' %}unhealthy{% elif c.status == 'restarting' %}restarting{% else %}exited {{ c.exit_code }}{% if c.oom_killed %}, out of memory{% endif %}{% endif %}
+      {%- set since = (bad_since or {}).get((c.host_id, c.name)) %}{% if since %} since {{ since|ago }}{% endif %} · {{ host_name.get(c.host_id, c.host_id) }}
     </span>
   </span>
 </div>