[GREENFOOT-385] "Save the world" doesn't record all interactions correctly

From Thomas R?fer on the Greenroom:

If you implement a static factory method for actors, e.g., to easily create actors with different values for their attributes, the object returned can be added to the scene using the button ?Get? in the Inspector dialog. However, this is not recorded for ?Save the world?, only the call of the class method is.

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Issue metadata

• Issue type: Bug
• Priority: Low