Lessons doesn't get cancelled by events in "My timetable"

assigned to @hansegucker

added part::backend source::customer::kath type::bug labels

assigned to @hansegucker

created branch 251-lessons-doesn-t-get-cancelled-by-events-in-my-timetable to address this issue

mentioned in merge request AlekSIS-App-Alsijil!341 (closed)

moved from AlekSIS-App-Alsijil#251 (moved)

created branch 213-lessons-doesn-t-get-cancelled-by-events-in-my-timetable to address this issue

mentioned in merge request !311 (merged)

mentioned in commit 6efc9226

closed with merge request !311 (merged)