Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the Memory Profiler (Window > Analysis > Memory Profiler)
3. Select the Snapshot “Snapshot-638170002907770372“
4. Select the "All Of Memory" tab
5. Expand Managed, Managed Objects, and then System.Byte[]
6. Select the first one, and observe the value in the Allocated Size column and the value of the Managed Size in the right panel

Expected result: Total Size and Managed Size show the same size
Actual result: Total Size and Managed Size differ

Reproducible with: 1.1.0-exp.1 (2022.2.17f1, 2023.1.0b13, 2023.2.0a11), 1.1.0-exp.2 (2022.2.17f1, 2023.2.0a11)
Not reproducible with: 0.7.1-preview.1 (2020.3.47f1, 2021.3.23f1), 1.0.0 (2022.2.17f1)
Could not test with: 1.1.0-exp.2 (2023.1.0b13) (Library\PackageCache\com.unity.memoryprofiler@1.1.0-exp.2\Editor\UI\Workbench\SnapshotFilesListItem\SnapshotFileTreeItemViewController.cs(132,55): error CS1061: 'FocusController' does not contain a definition for 'IgnoreEvent' and no accessible extension method 'IgnoreEvent' accepting a first argument of type 'FocusController' could be found)

Reproducible on: Windows 10 Enterprise 21H2

Notes:

* Snapshot is captured on an Android device using Unity Editor 2020.3.30 and Memory Profiler 0.7.1-preview.1
* The reproduction video and screenshot are attached as Repro.mp4 and Repro.png