Resolve #3453132 "Delete job button access"

Closes #3453132

src/Form/JobForm.php

@@ -574,6 +574,7 @@ class JobForm extends TmgmtFormBase {
         '#value' => t('Delete'),
         '#submit' => array('tmgmt_submit_redirect'),
         '#redirect' => 'admin/tmgmt/jobs/' . $job->id() . '/delete',
+        '#access' => $job->access('delete'),
         // Don't run validations, so the user can always delete the job.
         '#limit_validation_errors' => array(),
       );