Merge pull request #27556 from eileenmcnaughton/no_primary

[event][templates] Stop assigning `isPrimary` for WorkFlow Messages at form layer

diff --cc CRM/Event/Form/Participant.php
Simple merge

diff --cc CRM/Event/Form/ParticipantFeeSelection.php
Simple merge

diff --cc CRM/Event/Form/Registration.php
Simple merge

diff --cc CRM/Event/Form/Registration/Confirm.php
Simple merge