fix: 🐛 Return a empty array if backend returns a specific error

If this error it returned from backend a child has no schedule.
Better to return an empty array than spamming the log with errors.

lib/parse/schedule.ts

@@ -20,5 +20,21 @@ export const scheduleItem = ({
   oneDayEvent: isSameDay,
 })
 
-export const schedule = (data: any): ScheduleItem[] =>
-  etjanst(data).map(scheduleItem)
+export const schedule = (data: any): ScheduleItem[] => {
+  try{
+    const scheduleData = etjanst(data)
+    const mapped = scheduleData.map(scheduleItem)
+    return mapped
+  }
+  catch(e){
+    if (e instanceof Error) {
+      // If this happens the child has no schedule 
+      // It is the same on the official web
+      // Instead of retrying and spamming errors - lets return en empty array
+      if(e.message === 'A task was canceled.'){
+        return new Array<ScheduleItem>()
+      }     
+    }
+    throw e
+  }
+}