Fix size jitter of maximized or fullscreen window when dpi changes. #18936
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What does the pull request do?
Do not resize maximized or fullscreen window according to dpi, or window may be out of screen and resized by window manager again. This will cause size jitter.
What is the current behavior?
For example, my display config is 1920*1080 (pixel size) 150% dpi. And open a new fullscreen window.
The size will change as below:
What is the updated/expected behavior with this PR?
Now, the size will change as below:
How was the solution implemented (if it's not obvious)?
As above.
Checklist
Breaking changes
None.
Obsoletions / Deprecations
None.
Fixed issues
None.