Massive FPS drop in VR when mouse aktive in MSFS screen after last update

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Brief description of the issue:

FPS drop from 50 to 40 when mouse active in window. This happens only by DX12. DX11 works fine!

Provide Screenshot(s)/video(s) of the issue encountered:

Detailed steps to reproduce the issue encountered:

When you hit CTRL and ESC to loose the mouse in the window the FPS raises
When you hit the left mouse botton over the MSFS Screen the FPS droops again

Many issues may be due to an outdated graphics card. Please state your Graphics Card Driver Manufacturer (NVIDIA, Intel, AMD) and Version (Learn how to find your current graphics card driver version):

Newest NVIDIA Driver 537.58

PC specs and/or peripheral set up if relevant:

HP Reverb G2
NVIDIA RTX 4080 - DX12

Build Version # when you first started experiencing this issue:

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Do you have the same issue if you follow the OP’s steps to reproduce it?

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If relevant, provide additional screenshots/video: