FIX: Downcase email coming back from auth-provider

lib/auth/result.rb

@@ -18,6 +18,10 @@ class Auth::Result
     @failed = false
   end
 
+  def email
+    @email.downcase
+  end
+
   def failed?
     !!@failed
   end

spec/components/auth/managed_authenticator_spec.rb

@@ -90,6 +90,11 @@ describe Auth::ManagedAuthenticator do
     end
 
     describe 'match by email' do
+      it 'downcases the email address from the authprovider' do
+        result = authenticator.after_authenticate(hash.deep_merge(info: { email: "HELLO@example.com" }))
+        expect(result.email).to eq('hello@example.com')
+      end
+
       it 'works normally' do
         user = Fabricate(:user)
         result = authenticator.after_authenticate(hash.deep_merge(info: { email: user.email }))