Fix lint

...ooster/frontend/components/lesson_raster/LessonRaster.vue

...lesrooster/frontend/components/lesson_raster/SlotCard.vue

...esrooster/frontend/components/supervision/Supervision.vue

...imebound_course_config/TimeboundCourseConfigCRUDTable.vue

...s/timebound_course_config/TimeboundCourseConfigRaster.vue

...r/frontend/components/timetable_management/LessonCard.vue

...r/frontend/components/timetable_management/PeriodCard.vue

...d/components/timetable_management/TimetableManagement.vue

...ontend/components/validity_range/CopyFromTimeGridMenu.vue

...ster/frontend/components/validity_range/TimeGridField.vue

...ster/frontend/components/validity_range/ValidityRange.vue

...nd/components/validity_range/ValidityRangeStatusField.vue

aleksis/apps/lesrooster/schema/slot.py