Fix conditions for checking pipeline schedule rules

app/policies/ci/pipeline_schedule_policy.rb

@@ -6,11 +6,11 @@ module Ci
       access = ::Gitlab::UserAccess.new(@user, project: @subject.project)
 
       if @subject.project.repository.branch_exists?(@subject.ref)
-        access.can_update_branch?(@subject.ref)
+        !access.can_update_branch?(@subject.ref)
       elsif @subject.project.repository.tag_exists?(@subject.ref)
-        access.can_create_tag?(@subject.ref)
+        !access.can_create_tag?(@subject.ref)
       else
-        true
+        false
       end
     end
 

app/views/projects/pipeline_schedules/_pipeline_schedule.html.haml

@@ -27,7 +27,7 @@
     %td
       .pull-right.btn-group
         - if can?(current_user, :play_pipeline_schedule, pipeline_schedule)
-          = link_to run_pipeline_schedule_path(pipeline_schedule), method: :post, title: s_('Play'), class: 'btn' do
+          = link_to play_pipeline_schedule_path(pipeline_schedule), method: :post, title: s_('Play'), class: 'btn' do
             = icon('play')
         - if can?(current_user, :update_pipeline_schedule, pipeline_schedule)
           = link_to take_ownership_pipeline_schedule_path(pipeline_schedule), method: :post, title: s_('PipelineSchedules|Take ownership'), class: 'btn' do