squashed identity proof updates (#10375)

app/serializers/rest/identity_proof_serializer.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class REST::IdentityProofSerializer < ActiveModel::Serializer
+  attributes :provider, :provider_username, :updated_at, :proof_url, :profile_url
+
+  def proof_url
+    object.badge.proof_url
+  end
+
+  def profile_url
+    object.badge.profile_url
+  end
+
+  def provider
+    object.provider.capitalize
+  end
+end