OpenMW-CS: Handle instance move from one cell to another
Currently moving an object to another cell will only create a modify-record, but the object doesn't get deleted from the original cell. Therefore if a plugin moves an object to a different cell, the object is visible in the original cell as well as in the new cell.
This needs to be handled, possibly by creating two records (delete and modify). However, how does OpenMW-CS then know that it's the same object still, if the user decides to move the same object back into original cell?