Allow editing and resetting of all admin setting strings

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

@@ -8,11 +8,10 @@
     description: "LNDHub configuration present and wallet features enabled"
   ) %>
   <% if Setting.lndhub_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "API URL") do %>
-      <%= f.text_field :lndhub_api_url,
-        value: Setting.lndhub_api_url,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :lndhub_api_url,
+          title: "API URL"
+        ) %>
   <% end %>
   <%= render FormElements::FieldsetToggleComponent.new(
     form: f,
@@ -29,10 +28,10 @@
     description: "Allow users to receive invoice-less payments to their Lightning Address"
   ) %>
   <% if Setting.lndhub_keysend_enabled? %>
-    <%= render FormElements::FieldsetComponent.new(title: "Public key", description: "The public key of the Lightning node used by LNDHub") do %>
-      <%= f.text_field :lndhub_public_key,
-        value: Setting.lndhub_public_key,
-        class: "w-full", disabled: true %>
-    <% end %>
+    <%= render FormElements::FieldsetResettableSettingComponent.new(
+          key: :lndhub_public_key,
+          title: "Public key",
+          description: "The public key of the Lightning node used by LNDHub"
+        ) %>
   <% end %>
 </ul>