Allow editing and resetting of all admin setting strings

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

@@ -1,4 +1,5 @@
 <h3>RemoteStorage</h3>
+<p class="text-red-600 mb-8">Feature currently in development.</p>
 <ul role="list">
   <%= render FormElements::FieldsetToggleComponent.new(
     form: f,
@@ -8,10 +9,9 @@
     description: "RemoteStorage configuration present and features enabled"
   ) %>
   <% if Setting.remotestorage_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Storage URL") do %>
-      <%= f.text_field :rs_storage_url,
-        value: Setting.rs_storage_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :rs_storage_url,
+          title: "Storage URL"
+        ) %>
   <% end %>
 </ul>