### Godot version

4.0

### System information

Windows 11

### Issue description

So on my monitor with 2560x1440 resolution retrieved by the `DisplayServer.get_window_size` method shows 2562x1442, which I think is incorrect. A similar result returned by `get_viewport().size`. But it's become correct if the `Resizable` property is turned on.

![image](https://user-images.githubusercontent.com/3036176/212492776-5c09b12e-d25a-4951-8392-54f5a5e3bece.png)


### Steps to reproduce

Create the project, add a label to observe the resolution text, set the full-screen mode in the project settings, toggle off the `Resizable` property, and run the project.

### Minimal reproduction project

[TestResolution.zip](https://github.com/godotengine/godot/files/10418682/TestResolution.zip)

use_raw_input = true;
	RAWINPUTDEVICE rid[1] = {};
	rid[0].usUsagePage = 0x01;
	rid[0].usUsage = 0x02;
	rid[0].dwFlags = 0;
	if (p_target_window != INVALID_WINDOW_ID && windows.has(p_target_window)) {
		
		rid[0].hwndTarget = windows[p_target_window].hWnd;
	} else {
		
		rid[0].hwndTarget = 0;
	}
	if (RegisterRawInputDevices(rid, 1, sizeof(rid[0])) == FALSE) {
		
		use_raw_input = false;
	}
}
bool DisplayServerWindows::tts_is_speaking() const {
	ERR_FAIL_COND_V(!tts, false);
	return tts->is_speaking();
}
bool DisplayServerWindows::tts_is_paused() const {
	ERR_FAIL_COND_V(!tts, false);
	return tts->is_paused();
}
TypedArray<Dictionary> DisplayServerWindows::tts_get_voices() const {