schedules: assume public as default

src/core/schedules/schedulejson.py

@@ -54,6 +54,7 @@ class ScheduleJSONSupport(BaseScheduleSupport):
                     "room": e.get('room'),
                     "schedule_start": e.get('date'),
                     "schedule_duration": str(schedulexml_time_to_timedelta(e.get('duration'))),
+                    "public": True,
                     "additional_data": filter_additional_data(e)
                 } for e in schedule.events()
             }

src/core/schedules/schedulexml.py

@@ -57,6 +57,7 @@ class ScheduleXMLSupport(BaseScheduleSupport):
                     "room": e.get('room'),
                     "schedule_start": e.get('date'),
                     "schedule_duration": str(schedulexml_time_to_timedelta(e.get('duration'))),
+                    "public": True,
                     "additional_data": filter_additional_data(e)
                 } for e in schedule.events()
             }