Allow users to set/update their display name in LDAP

app/views/settings/_account.html.erb

@@ -34,7 +34,7 @@
         <%= f.password_field :current_password, class: "w-full", required: true %>
       </p>
       <p class="mt-6">
-        <%= f.submit "Update", class: "btn-md btn-blue" %>
+        <%= f.submit "Update", class: "btn-md btn-blue w-full md:w-auto" %>
       </p>
     </div>
   <% end %>

app/views/settings/_profile.html.erb

@@ -21,10 +21,15 @@
   <p class="text-sm text-gray-500">
     Your user address for Chat and Lightning Network.
   </p>
-
-  <%# <%= form_for(@user, as: "profile", url: settings_profile_path) do |f| %>
-  <%#   <p class="mt-8">
-  <%#     <%= f.submit "Save changes", class: 'btn-md btn-blue w-full sm:w-auto' %>
-  <%#   </p>
-  <%# <% end %>
+  <%= form_for(@user, url: setting_path(:profile), html: { :method => :put }) do |f| %>
+    <%= render FormElements::FieldsetComponent.new(tag: "div", title: "Display name") do %>
+      <%= f.text_field :display_name, class: "w-full sm:w-3/5 mb-2" %>
+      <% if @validation_errors.present? && @validation_errors[:display_name].present? %>
+        <p class="error-msg"><%= @validation_errors[:display_name].first %></p>
+      <% end %>
+    <% end %>
+    <p class="mt-8 pt-6 border-t border-gray-200 text-right">
+      <%= f.submit 'Save', class: "btn-md btn-blue w-full md:w-auto" %>
+    </p>
+  <% end %>
 </section>