backups: show same filesystem warning

fixes #867

dashboard/src/views/BackupSitesView.vue

@@ -117,6 +117,7 @@ async function onRemount(site) {
   if (statusError) console.error(statusError);
 
   site.status.state = status.state === 'active' ? 'success' : 'danger';
+  site.status.message = status.message;
   site.status.busy = false;
 }
 
@@ -226,7 +227,8 @@ async function refreshStatusForSite(site) {
   const [error, status] = await backupSitesModels.status(site.id);
   if (error) return console.error(error);
 
-  site.status.state = status?.state === 'active' ? 'success' : 'danger';
+  site.status.state = status.state === 'active' ? 'success' : 'danger';
+  site.status.message = status.message;
   site.status.busy = false;
 }
 
@@ -342,6 +344,7 @@ onMounted(async () => {
                   <a :href="`/logs.html?taskId=${site.task.id}`" target="_blank"><span class="error-label">{{ site.task.error.message }} <Button small plain tool>Logs</Button></span></a>
                 </div>
               </div>
+              <div style="margin-top: 10px;" class="text-danger" v-if="site.status.message" v-html="site.status.message"></div>
               <div v-if="site.task && site.task.running">
                 <div style="margin-top: 10px; display: flex; align-items: center; gap: 10px; overflow: hidden;">
                   <div style="flex-grow: 1; overflow: hidden;">