WIP Store avatars as ActiveStorage attachments

Also push to LDAP as jpegPhoto

app/views/settings/_profile.html.erb

@@ -33,22 +33,19 @@
 
     <% if Flipper.enabled?(:avatar_upload, current_user) %>
     <label class="block">
-      <p class="font-bold mb-1">
-        Avatar
-      </p>
-      <p class="text-gray-500">
-        Default profile picture
-      </p>
+      <p class="font-bold mb-1">Avatar</p>
+      <p class="text-gray-500">Default profile picture</p>
       <div class="flex items-center gap-6">
-        <% unless current_user.avatar.nil? %>
-        <p class="flex-none">
-          <%= image_tag "data:image/jpeg;base64,#{current_user.avatar_base64}",
-                class: "h-24 w-24 rounded-lg" %>
-        </p>
+        <% if @user.avatar.attached? %>
+          <p class="flex-none">
+            <%= image_tag @user.avatar_variant(size: :medium),
+              class: "h-24 w-24 rounded-lg" %>
+          </p>
         <% end %>
         <div class="grow">
           <p class="mb-2">
-          <%= f.file_field :avatar, class: "" %>
+            <%= f.file_field :avatar_new, accept: "image/jpeg,image/png" %>
+          </p>
           <p class="text-sm text-gray-500">
             JPEG or PNG image, not larger than 1 megabyte
           </p>