Change Details

**Acceptance Criteria:** * Update the date selectors dynamically so that only dates after the start date can be selected as end date

**Acceptance Criteria:** * On Special:EnableEventRegistration and Special:EditEventRegistration, update the date selectors dynamically so that only dates after the start date can be selected as end date

**Acceptance Criteria:** * U* On Special:EnableEventRegistration and Special:EditEventRegistration, update the date selectors dynamically so that only dates after the start date can be selected as end date