Fixed infrequent crash when completing todos

src/calendarmanager.cpp

@@ -689,7 +689,7 @@ void CalendarManager::editIncidence(IncidenceWrapper *incidenceWrapper)
 
     m_changer->modifyIncidence(modifiedItem, originalPayload);
 
-    if (modifiedItem.parentCollection().id() == incidenceWrapper->collectionId()) {
+    if (!incidenceWrapper->collectionId() || incidenceWrapper->collectionId() < 0 || modifiedItem.parentCollection().id() == incidenceWrapper->collectionId()) {
         return;
     }
 

src/contents/ui/main.qml

@@ -817,6 +817,7 @@ Kirigami.ApplicationWindow {
             this, "incidence");
 
         todo.incidencePtr = incidencePtr;
+        todo.collectionId = -1;
 
         if(todo.incidenceType === IncidenceWrapper.TypeTodo) {
             todo.todoCompleted = !todo.todoCompleted;