css: ensure dtext is always wrapped in .prose container.

Ensure dtext is always wrapped in a `<div class="prose">` or
`<span class="prose">` (for inline dtext) container so that dtext css is
properly applied.

app/views/moderator/dashboards/_activity_mod_action.html.erb

@@ -10,7 +10,11 @@
     <% @dashboard.mod_actions.each do |mod_action| %>
       <tr>
         <td><%= link_to_user mod_action.creator %></td>
-        <td><%= format_text(mod_action.description) %></td>
+        <td>
+          <div class="prose">
+            <%= format_text(mod_action.description) %>
+          </div>
+        </td>
       </tr>
     <% end %>
   </tbody>

app/views/moderator/dashboards/_activity_user_feedback.html.erb

@@ -11,7 +11,11 @@
     <% @dashboard.user_feedbacks.each do |record| %>
       <tr class="feedback-category-<%= record.category %>">
         <td><%= link_to_user(record.user) %></td>
-        <td><%= format_text(record.body) %></td>
+        <td>
+          <div class="prose">
+            <%= format_text(record.body) %>
+          </div>
+        </td>
         <td><%= time_ago_in_words_tagged(record.created_at) %></td>
       </tr>
     <% end %>