Optimize policy rule

app/policies/group_policy.rb

@@ -17,9 +17,10 @@ class GroupPolicy < BasePolicy
 
   condition(:nested_groups_supported, scope: :global) { Group.supports_nested_groups? }
 
+  condition(:has_parent, scope: :subject) { @subject.has_parent? }
   condition(:share_with_group_locked, scope: :subject) { @subject.share_with_group_lock? }
   condition(:parent_share_with_group_locked, scope: :subject) { @subject.parent&.share_with_group_lock? }
-  condition(:can_change_parent_share_with_group_lock) { @subject.has_parent? && can?(:change_share_with_group_lock, @subject.parent) }
+  condition(:can_change_parent_share_with_group_lock) { can?(:change_share_with_group_lock, @subject.parent) }
 
   condition(:has_projects) do
     GroupProjectsFinder.new(group: @subject, current_user: @user).execute.any?
@@ -60,7 +61,7 @@ class GroupPolicy < BasePolicy
   rule { ~can?(:view_globally) }.prevent   :request_access
   rule { has_access }.prevent              :request_access
 
-  rule { owner & (~share_with_group_locked | ~parent_share_with_group_locked | can_change_parent_share_with_group_lock) }.enable :change_share_with_group_lock
+  rule { owner & (~share_with_group_locked | ~has_parent | ~parent_share_with_group_locked | can_change_parent_share_with_group_lock) }.enable :change_share_with_group_lock
 
   def access_level
     return GroupMember::NO_ACCESS if @user.nil?