Change API: GCloudUserSettings to depend on username instead of User

app/models/carto/helpers/user_commons.rb

@@ -305,12 +305,12 @@ module Carto::UserCommons
 
   def update_gcloud_settings(attributes)
     return if attributes.nil?
-    settings = Carto::GCloudUserSettings.new(self)
+    settings = Carto::GCloudUserSettings.new(self.username)
     settings.update attributes
   end
 
   def gcloud_settings
-    @gcloud_settings ||= Carto::GCloudUserSettings.new(self).read&.with_indifferent_access
+    @gcloud_settings ||= Carto::GCloudUserSettings.new(self.username).read&.with_indifferent_access
   end
 
   def do_enabled?

lib/carto/gcloud_user_settings.rb

@@ -7,8 +7,8 @@ module Carto
                     gcp_execution_project bq_project bq_dataset
                     gcs_bucket).freeze
 
-    def initialize(user)
-      @username = user.username
+    def initialize(username)
+      @username = username
     end
 
     def update(attributes)