Projucer: Check project item still exists when initialising exporter icon settings and reset to default if missing

extras/Projucer/Source/ProjectSaving/jucer_ProjectExporter.cpp

@@ -333,12 +333,21 @@ void ProjectExporter::createIconProperties (PropertyListBuilder& props)
     choices.add ("<None>");
     ids.add (var());
 
-    for (int i = 0; i < images.size(); ++i)
+    for (const auto* imageItem : images)
     {
-        choices.add (images.getUnchecked(i)->getName());
-        ids.add (images.getUnchecked(i)->getID());
+        choices.add (imageItem->getName());
+        ids.add (imageItem->getID());
     }
 
+    const auto resetToDefaultIfFileMissing = [&ids] (ValueWithDefault& v)
+    {
+        if (! v.isUsingDefault() && ! ids.contains (v.get()))
+            v.resetToDefault();
+    };
+
+    resetToDefaultIfFileMissing (smallIconValue);
+    resetToDefaultIfFileMissing (bigIconValue);
+
     props.add (new ChoicePropertyComponent (smallIconValue, "Icon (Small)", choices, ids),
                "Sets an icon to use for the executable.");