(bug) unable to compile the assets when OIDC is enabled but the scopes were not set

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## next deploy
 
+- Fix a bug: unable to compile the assets when OIDC is enabled but the scopes were not set
+
 ## v5.4.2 2022 June 1
 
 - Updated react-select to 5.3.2

app/models/open_id_connect_provider.rb

@@ -18,7 +18,7 @@ class OpenIdConnectProvider < ApplicationRecord
   validates :client_auth_method, inclusion: { in: %w[basic jwks] }
 
   def scope
-    self[:scope].join(' ')
+    self[:scope]&.join(' ')
   end
 
   def config