adding some extra activity checks at updating events

app/src/main/kotlin/com/simplemobiletools/calendar/pro/activities/EventActivity.kt

@@ -117,10 +117,12 @@ class EventActivity : SimpleActivity() {
 
             val localEventType = mStoredEventTypes.firstOrNull { it.id == config.lastUsedLocalEventTypeId }
             runOnUiThread {
+                if (!isDestroyed && !isFinishing) {
                     gotEvent(savedInstanceState, localEventType, event)
                 }
             }
         }
+    }
 
     private fun gotEvent(savedInstanceState: Bundle?, localEventType: EventType?, event: Event?) {
         if (localEventType == null || localEventType.caldavCalendarId != 0) {