Fix protected environment initilizer

ok

add changelog

ee/app/controllers/ee/projects/settings/ci_cd_controller.rb

@@ -27,7 +27,7 @@ module EE
         # rubocop: disable CodeReuse/ActiveRecord
         def define_protected_env_variables
           @protected_environments = @project.protected_environments.order(:name)
-          @protected_environment = @project.protected_environments.new
+          @protected_environment = ProtectedEnvironment.new(project: @project)
         end
         # rubocop: enable CodeReuse/ActiveRecord
 

ee/changelogs/unreleased/fix-protected-environment-initialize.yml

+---
+title: Fix protected environment initializer
+merge_request: 10150
+author:
+type: fixed

ee/spec/features/projects/settings/protected_environments_spec.rb

@@ -86,6 +86,25 @@ describe 'Protected Environments' do
         expect(page).not_to have_content('production')
       end
     end
+
+    context 'when projects_tokens_optional_encryption feature flag is false' do
+      before do
+        stub_feature_flags(projects_tokens_optional_encryption: false)
+      end
+
+      context 'when runners_token exists but runners_token_encrypted is empty' do
+        before do
+          project.update_column(:runners_token, 'abc')
+          project.update_column(:runners_token_encrypted, nil)
+        end
+
+        it 'shows setting page correctly' do
+          visit project_settings_ci_cd_path(project)
+
+          expect(page).to have_gitlab_http_status(200)
+        end
+      end
+    end
   end
 
   def set_protected_environment(environment_name)