Allow editing and resetting of all admin setting strings

app/views/admin/settings/services/_ejabberd.html.erb

@@ -8,16 +8,14 @@
     description: "ejabberd configuration present and features enabled"
   ) %>
 <% if Setting.ejabberd_enabled? %>
-  <%= render FormElements::FieldsetComponent.new(title: "API URL") do %>
-    <%= f.text_field :ejabberd_api_url,
-      value: Setting.ejabberd_api_url,
-      class: "w-full", disabled: true %>
-  <% end %>
-  <%= render FormElements::FieldsetComponent.new(title: "Admin URL") do %>
-    <%= f.text_field :ejabberd_admin_url,
-      value: Setting.ejabberd_admin_url,
-      class: "w-full", disabled: true %>
-  <% end %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_api_url,
+        title: "API URL"
+      ) %>
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_admin_url,
+        title: "Admin URL"
+      ) %>
 </ul>
 <h3 class="mt-10">User default settings</h3>
 <ul role="list">
@@ -37,23 +35,24 @@
     title: "Auto-join default rooms",
     description: "Automatically join above default rooms in chat clients"
   ) %>
-  <%= render FormElements::FieldsetComponent.new(
+  <%= render FormElements::FieldsetResettableSettingComponent.new(
+        key: :ejabberd_buddy_roster,
         title: "Contact roster name",
         description: "Used when exchanging contacts after signup from invitation"
-      ) do %>
-    <%= f.text_field :ejabberd_buddy_roster,
-      value: Setting.ejabberd_buddy_roster,
-      class: "w-full" %>
-  <% end %>
+      ) %>
 </ul>
 <h3 class="mt-10">Notifications</h3>
 <ul role="list">
   <%= render FormElements::FieldsetComponent.new(
         title: "From address",
         description: "Address (JID) of the account notifications are sent from",
+        resettable: Setting.get_field(:xmpp_notifications_from_address)[:default] != Setting.xmpp_notifications_from_address
       ) do %>
     <%= f.text_field :xmpp_notifications_from_address,
       value: Setting.xmpp_notifications_from_address,
+      data: {
+        :'default-value' => Setting.get_field(:xmpp_notifications_from_address)[:default]
+      },
       class: "w-full" %>
   <% end %>
 <% end %>