KDE configuration messing up with double monitors

Hello, I’m using my computer and when I’m playing some games, KDE reset all my configuration. I’m using a NVIDIA graphics card (NVIDIA GTX 1050 Ti), my first monitor is on DVI with a DVI-D - VGA adapter and my second monitor is on HDMI with a HDMI - VGA adapter. I searched on internet but I don’t found.

I uploaded a video to better understand the situation (I’m French I put subtitles in the description): https://youtu.be/gxaQT91776M