Merge pull request #27003 from colemanw/actionScheduleForm

ScheduledReminders - Rewrite entire form using metadata

diff --cc CRM/Core/Form.php
Simple merge

diff --cc CRM/Core/xml/Menu/Admin.xml
Simple merge

diff --cc CRM/Event/ActionMapping/ByEvent.php
Simple merge

diff --cc CRM/Event/BAO/Event.php
Simple merge

diff --cc CRM/Member/ActionMapping.php
Simple merge