### 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)

continue; // next
		
		ile == "Contents/Frameworks/libEGL.dylib") {
			if (!include_angle_libs) {
				ret = unzGoToNextFile(src_pkg_zip);
				continue; // skip
			
		
		ile == "Contents/Frameworks/libGLESv2.dylib") {
			if (!include_angle_libs) {
				ret = unzGoToNextFile(src_pkg_zip);
				continue; // skip
			
		
		ile == "Contents/Info.plist") {
			_fix_plist(p_preset, data, pkg_name);
		
		ile.begins_with("Contents/MacOS/godot_")) {
			ile != "Contents/MacOS/" + binary_to_use) {
				ret = unzGoToNextFile(src_pkg_zip);
				continue; // skip
			
			d_binary = true;
			file = "Contents/MacOS/" + pkg_name;
		
		ile == "Contents/Resources/icon.icns") {
			// See if there is an icon.
			String icon_path;
			if (p_preset->get("application/icon") != "") {
				icon_path = p_preset->get("application/icon");