### Tested versions

Godot Engine v4.2.stable.official.46dc27791

### System information

Windows 10

### Issue description

When exporting to web, Godot fails with this error in the console:

> scene/main/window.cpp:884 - Attempting to make child window exclusive, but the parent window already has another exclusive child. This window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559/@<!-- -->VBoxContainer@<!-- -->137/@<!-- -->AcceptDialog@<!-- -->411, parent window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559, current exclusive child window: /root/@<!-- -->EditorNode@<!-- -->17120/@<!-- -->Panel@<!-- -->13/@<!-- -->ProjectExportDialog@<!-- -->559/@<!-- -->ProgressDialog@<!-- -->17444

![a](https://github.com/godotengine/godot/assets/2000051/bf9d22aa-d3fe-4e11-bff6-c387e740fe90)

This happens for newly created empty projects.


### Steps to reproduce

1. Open the attached project (or create a new project).
2. Project->Export->Export All
3. Observe the console error.  No output files are generated.


### Minimal reproduction project (MRP)

[export_test.zip](https://github.com/godotengine/godot/files/13574810/export_test.zip)

{ "res/mipmap-xhdpi-v4/icon.png", 96 },
	{ "res/mipmap-hdpi-v4/icon.png", 72 },
	{ "res/mipmap-mdpi-v4/icon.png", 48 },
	{ "res/mipmap/icon.png", 192 }
};
static const LauncherIcon launcher_adaptive_icon_foregrounds[icon_densities_count] = {
	{ "res/mipmap-xxxhdpi-v4/icon_foreground.png", 432 },
	{ "res/mipmap-xxhdpi-v4/icon_foreground.png", 324 },
	{ "res/mipmap-xhdpi-v4/icon_foreground.png", 216 },
	{ "res/mipmap-hdpi-v4/icon_foreground.png", 162 },
	{ "res/mipmap-mdpi-v4/icon_foreground.png", 108 },
	{ "res/mipmap/icon_foreground.png", 432 }
};
static const LauncherIcon launcher_adaptive_icon_backgrounds[icon_densities_count] = {
	{ "res/mipmap-xxxhdpi-v4/icon_background.png", 432 },
	{ "res/mipmap-xxhdpi-v4/icon_background.png", 324 },
	{ "res/mipmap-xhdpi-v4/icon_background.png", 216 },
	{ "res/mipmap-hdpi-v4/icon_background.png", 162 },
	{ "res/mipmap-mdpi-v4/icon_background.png", 108 },
	{ "res/mipmap/icon_background.png", 432 }
};
static const int EXPORT_FORMAT_APK = 0;
static const int EXPORT_FORMAT_AAB = 1;
static const char *APK_ASSETS_DIRECTORY = "res://android/build/assets";
static const char *AAB_ASSETS_DIRECTORY = "res://android/build/assetPacks/installTime/src/main/assets";
static const int OPENGL_MIN_SDK_VERSION = 21; 
static const int VULKAN_MIN_SDK_VERSION = 24;
static const int DEFAULT_TARGET_SDK_VERSION = 33; 
#ifndef ANDROID_ENABLED
void EditorExportPlatformAndroid::_check_for_changes_poll_thread(void *ud) {