### 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)

return OK;
Error EditorExportPlatformMacOS::_code_sign(const Ref<EditorExportPreset> &p_preset, const String &p_path, const String &p_ent_path, bool p_warn) {
	int codesign_tool = p_preset->get("codesign/codesign");
	switch (codesign_tool) {
		case 1: { 
			bose("using built-in codesign...");
#ifdef MODULE_REGEX_ENABLED
			String error_msg;
			Error err = CodeSign::codesign(false, true, p_path, p_ent_path, error_msg);
			if (err != OK) {
				add_message(EXPORT_MESSAGE_WARNING, TTR("Code Signing"), vformat(TTR("Built-in CodeSign failed with error \"%s\"."), error_msg));
				return Error::FAILED;
			
#else
			add_message(EXPORT_MESSAGE_WARNING, TTR("Code Signing"), TTR("Built-in CodeSign require regex module."));
#endif
		 break;
		case 2: { 
			bose("using rcodesign codesign...");
			String rcodesign = EDITOR_GET("export/macos/rcodesign").operator String();
			if (rcodesign.is_empty()) {
				add_message(EXPORT_MESSAGE_ERROR, TTR("Code Signing"), TTR("Xrcodesign path is not set. Configure rcodesign path in the Editor Settings (Export > macOS > rcodesign)."));
				return Error::FAILED;
			
			List<String> args;
			args.push_back("sign");
			if (p_path.get_extension() != "dmg") {
				args.push_back("--entitlements-xml-path");
				args.push_back(p_ent_path);