Fix Resize to Fit to properly dirty state of level editor

#3670 #3735

Source/Editor/SceneGraph/Actors/BoxColliderNode.cs

@@ -42,6 +42,7 @@ namespace FlaxEditor.SceneGraph.Actors
                 if (value is BoxCollider collider)
                     collider.AutoResize(!_keepLocalOrientation);
             }
+            Presenter.OnModified();
         }
     }
 

Source/Engine/Physics/Colliders/BoxCollider.cpp

@@ -23,15 +23,15 @@ void BoxCollider::SetSize(const Float3& value)
 void BoxCollider::AutoResize(bool globalOrientation = true)
 {
     Actor* parent = GetParent();
-    if (Cast<Scene>(parent))
+    if (parent == nullptr || Cast<Scene>(parent))
         return;
 
     // Get bounds of all siblings (excluding itself)
     const Vector3 parentScale = parent->GetScale();
     if (parentScale.IsAnyZero())
-        return; // Avoid division by zero
+        return;
 
-    // Hacky way to get unrotated bounded box of parent.
+    // Hacky way to get unrotated bounded box of parent
     const Quaternion parentOrientation = parent->GetOrientation();
     parent->SetOrientation(Quaternion::Identity);
     BoundingBox parentBox = parent->GetBox();