Memory leak occurs when focused on Player while using Direct3D12

How to reproduce:
1. Open the attached “IN-121512” project
2. Open the SampleScene
3. Build and Run the project
4. After the Player is built, open the Task Manager
5. Keep the mouse focused on the Player
6. Observe the result

Expected result: Memory remains stable
Actual result: Memory consistently increases

Reproducible with: 6000.0.60f1
Not reproducible with: 6000.0.46f1

Reproduced on: Windows 11 (reporters machine)
Not reproduced on: No other environment tested

Notes:

• Not reproduced by CQA
• The issue does not occur when using DX11