Repro steps:
1. Open "case_830145-ZedPandemic (2).zip" project
2. Load "test" scene
3. Select all the prefabs who make up a square in the left
4. Clone the square (ctrl+c, ctrl+v)

Note: Issue occurs when you rotate and move (using snap option) prefabs multiple times and then clone them

Actual: Scale change in the Inspector window when cloning multiple parented prefabs who have been rotated and snapped
Expected: Scale does not change in the Inspector window when cloning multiple parented prefabs who have been rotated and snapped

Reproduced on: 5.4.0f3, 5.5.0b4
Did not reproduce on: 5.3.6p5