Fix crash on corrupted data in schedule

Author: Nico-Duduf

src/ramobjectdelegates/ramscheduledelegate.cpp

@@ -305,6 +305,10 @@ QSet<RamStatus *> RamScheduleDelegate::getDueTasks(QModelIndex index) const
         i.next();
         if (i.value()->completionRatio() >= 100)
             tasks.remove(i.value());
+        if (!i.value()->item())
+            tasks.remove(i.value());
+        if (!i.value()->step())
+            tasks.remove(i.value());
     }
 
     return tasks;

src/ramobjects/ramstatus.cpp

@@ -546,13 +546,16 @@ QString RamStatus::name() const
     RamAbstractItem *item = this->item();
     RamStep *step = this->step();
     RamState *state = this->state();
+    if (!item || !step) return "Unknwown Task";
+    if (!state) return item->name() + " | " + step->name();
     return item->name() + " | " + step->name() + " | " + state->shortName();
 }
 
 QString RamStatus::shortName() const
 {
     RamAbstractItem *item = this->item();
     RamStep *step = this->step();
+    if (!item || !step) return "Task";
     return item->shortName() + " | " + step->shortName();
 }