Add button to view the Hashtag on the instance from Hashtags in Moderation UI (#31533)

app/javascript/styles/mastodon/admin.scss

@@ -244,6 +244,11 @@ $content-width: 840px;
         display: inline-flex;
         flex-flow: wrap;
         gap: 5px;
+        align-items: center;
+
+        .time-period {
+          padding: 0 10px;
+        }
       }
 
       h2 small {

app/views/admin/tags/show.html.haml

@@ -3,9 +3,12 @@
 
 - content_for :heading_actions do
   - if current_user.can?(:view_dashboard)
-    = l(@time_period.first)
+    .time-period
-    = ' - '
+      = l(@time_period.first)
-    = l(@time_period.last)
+      = ' - '
+      = l(@time_period.last)
+
+  = link_to t('admin.tags.open'), tag_url(@tag), class: 'button', target: '_blank', rel: 'noopener noreferrer'
 
 - if current_user.can?(:view_dashboard)
   .dashboard

config/locales/en.yml

@@ -898,6 +898,7 @@ en:
       name: Name
       newest: Newest
       oldest: Oldest
+      open: View Publicly
       reset: Reset
       review: Review status
       search: Search