zh nich catches 2

app/controllers/projects/pipeline_schedules_controller.rb

 class Projects::PipelineSchedulesController < Projects::ApplicationController
-  before_action :schedule, only: [:edit, :update, :destroy, :take_ownership]
+  before_action :schedule, except: [:index, :new, :create]
 
   before_action :authorize_read_pipeline_schedule!
   before_action :authorize_create_pipeline_schedule!, only: [:new, :create]
-  before_action :authorize_update_pipeline_schedule!, only: [:edit, :take_ownership, :update]
+  before_action :authorize_update_pipeline_schedule!, except: [:index, :new, :create]
   before_action :authorize_admin_pipeline_schedule!, only: [:destroy]
 
   def index

app/policies/ci/pipeline_schedule_policy.rb

@@ -5,7 +5,7 @@ module Ci
     def rules
       super
 
-      if owned_by_developer? && pipeline_schedule.owner != user
+      if owned_by_developer? && owned_by_another?
         cannot! :update_pipeline_schedule
       end
     end
@@ -15,5 +15,9 @@ module Ci
     def owned_by_developer?
       pipeline_schedule.project.team.developer?(user)
     end
+
+    def owned_by_another?
+      !pipeline_schedule.owned_by?(user)
+    end
   end
 end