User Feedback: Delete schedule button lacks confirmation for empty schedules

[sentry]

Author Credits: Jackson Funke

Sentry Feedback: UT-REGISTRATION-PLUS-BC

The delete schedule button shouldn't have a confirmation window if the schedule is empty

contact_email	jof369@eid.utexas.edu
is_spam	False
spam_detection_enabled	True

[linear]

UTRP-109

[DereC4]

Implementation -

If selected schedule is empty, skip the confirmation modal altogether

[DereC4]

Aka when delete schedule is pressed, if the active schedule size of courses is <= 0, skip the modal