How to reproduce:
1. Open the attached “EmptyProject” project
2. Select “Window” → “Analysis” → “Profiler” in the main menu
3. Enable the “Deep Profile” option
4. Change the “Timeline” option to “Hierarchy”
5. Change “Play Mode” to “Edit Mode”
6. Enter Play Mode
7. Stop the recording of the Profiler
8. Select the first frame of entering Play Mode
9. Navigate to “EditorLoop” → “Application.Tick” → “EnterPlayMode” → “EditorSceneManager.BackupScenes“
10. Observe the calls of the EditorSceneManager.BackupScenes function

Expected result: SaveScene is never called
Actual result: SaveScene is called 3 times (1 call for each Scene)

Reproducible with: 2020.3.39f1, 2021.3.13f1, 2022.1.20f1, 2022.2.0b10, 2023.1.0a12

Reproducible on: Windows 10