### 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)

if (ep.step("Making .pck", 0)) {
		return ERR_SKIP;
	}
	String pack_path = dest_dir + binary_name + ".pck";
	Vector<SharedObject> libraries;
	Error err = save_pack(p_preset, p_debug, pack_path, &libraries);
	if (err) {
		return err;
	}
	if (ep.step("Extracting and configuring Xcode project", 1)) {
		return ERR_SKIP;
	}
	String library_to_use = "libgodot.ios." + String(p_debug ? "debug" : "release") + ".xcframework";
	print_line("Static framework: " + library_to_use);
	String pkg_name;
	if (String(GLOBAL_GET("application/config/name")) != "") {
		pkg_name = String(GLOBAL_GET("application/config/name"));
	} else {
		pkg_name = "Unnamed";
	}
	bool found_library = false;
	const String project_file = "godot_ios.xcodeproj/project.pbxproj";
	HashSet<String> files_to_parse;
	files_to_parse.insert("godot_ios/godot_ios-Info.plist");
	files_to_parse.insert(project_file);
	files_to_parse.insert("godot_ios/export_options.plist");
	files_to_parse.insert("godot_ios/dummy.cpp");
	files_to_parse.insert("godot_ios.xcodeproj/project.xcworkspace/contents.xcworkspacedata");
	files_to_parse.insert("godot_ios.xcodeproj/xcshareddata/xcschemes/godot_ios.xcscheme");
	files_to_parse.insert("godot_ios/godot_ios.entitlements");