Answer: This conversion of real property to personal property is an example of SEVERANCE.
Explanation: Severance in real estate can be defined as an act of converting real property to an actual property.
In real estate, real property are made up of immovable properties such as land, house, crops etc. It can be any property attached to real estate that is somewhat permanent. In the example of Mimi, installing a satellite dish during her tenure made the satellite dish a real property as at that time, it was immovable. But on expiration of her tenancy, she decided to remove the dish thereby converting it to an actual property.