civicrm_apply_d8_perm_defaults - Enable 'access toolbar'

This was enabled in `drupal-{clean,demo,case}`, so do the same.

src/civibuild.lib.sh

@@ -628,6 +628,7 @@ function civicrm_apply_d8_perm_defaults() {
   drush8 -y role-create demoadmin
   drush8 -y role-add-perm anonymous "access CiviMail subscribe/unsubscribe pages,access all custom data,access uploaded files,make online contributions,profile create,profile view,register for events"
   drush8 -y role-add-perm demoadmin "access AJAX API,access all custom data,access CiviContribute,access CiviCRM,access CiviEvent,access CiviMail,access CiviMail subscribe/unsubscribe pages,access CiviMember,access CiviReport,access Contact Dashboard,access contact reference fields,access deleted contacts,access Report Criteria,save Report Criteria,access uploaded files,add contacts,administer CiviCRM,administer dedupe rules,administer Reports,administer reserved groups,administer reserved reports,administer reserved tags,administer Tagsets,delete activities,delete contacts,delete in CiviContribute,delete in CiviEvent,delete in CiviMail,delete in CiviMember,edit all contacts,view my contact,edit my contact,edit all events,edit contributions,edit event participants,edit message templates,edit groups,edit memberships,import contacts,make online contributions,manage tags,merge duplicate contacts,profile create,profile edit,profile listings,profile listings and forms,profile view,register for events,translate CiviCRM,view all activities,view all contacts,view all notes,view event info,view event participants,view public CiviMail content,administer payment processors,create manual batch,edit own manual batches,edit all manual batches,view own manual batches,view all manual batches,delete own manual batches,delete all manual batches,export own manual batches,export all manual batches"
+  drush8 -y role-add-perm demoadmin "access toolbar"
 }
 
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