[Bug] Submit button not clickable on `/manage/reservation`

[sentry]

Sentry Issue: ENSPIRE-6E

TypeError: F.preventDefault is not a function. (In 'F.preventDefault()', 'F.preventDefault' is undefined)
  at handleSubmit (./app/components/custom/CAS/ClassroomReservation/NewClassroomReservation.vue:67:5)
  at handleSubmit (./app/components/custom/CAS/ClassroomReservation/NewClassroomReservation.vue:125:19)