Cannot specify custom window positions in "windowed mode" for packaged games

There is an issue where you cannot specify a specific location for a windowed packaged game when using a command line to open the project, the project will move to that position for a brief moment before moving to the center of the screen. This issue appears to be a regression

Versions Tested:
4.15.3 - CL: 3450819 - Issue does not occur
4.16.3 - CL: 3561208 - Issue occurs
4.17.2 - CL: 3658906 - Issue occurs
4.18.1 - CL: 3754814 - Issue occurs
4.19.0 - CL: 3776583 - Issue occurs

1. Create a new project (no template or starter content needed)
2. When project opens package the project for windows 64 bit
3. When project finishes packaging > navigate to its folder location
4. Hold the SHIFT key and Right click and select the "Open Command Window Here" option
5. In the command window enter Projectname.exe -game -log -windowed -ResX=1280 -ResY=720 -WinX=0 -WinY=30 ConsoleX=0 ConsoleY=0 and press the enter key

Result: The project will open in the correct size and location then the window will move to the center of the screen
Expected result: The window open with the correct size and in the correct location.