### 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)

encode_uint32(len, &data.write[ofs + 4]);
			
		
	
	uint32_t total_len = data.size();
	total_len = BSWAP32(total_len);
	encode_uint32(total_len, &data.write[4]);
	p_data = data;
void EditorExportPlatformMacOS::_fix_plist(const Ref<EditorExportPreset> &p_preset, Vector<uint8_t> &plist, const String &p_binary) {
	String str;
	String strnew;
	str.parse_utf8((const char *)plist.ptr(), plist.size());
	Vector<String> lines = str.split("\n");
	for (int i = 0; i < lines.size(); i++) {
		if (lines[i].find("$binary") != -1) {
			strnew += lines[i].replace("$binary", p_binary) + "\n";
		 else if (lines[i].find("$name") != -1) {
			strnew += lines[i].replace("$name", GLOBAL_GET("application/config/name")) + "\n";
		 else if (lines[i].find("$bundle_identifier") != -1) {
			strnew += lines[i].replace("$bundle_identifier", p_preset->get("application/bundle_identifier")) + "\n";
		 else if (lines[i].find("$short_version") != -1) {
			strnew += lines[i].replace("$short_version", p_preset->get_version("application/short_version")) + "\n";
		 else if (lines[i].find("$version") != -1) {
			strnew += lines[i].replace("$version", p_preset->get_version("application/version")) + "\n";
		 else if (lines[i].find("$signature") != -1) {
			strnew += lines[i].replace("$signature", p_preset->get("application/signature")) + "\n";
		 else if (lines[i].find("$app_category") != -1) {
			String cat = p_preset->get("application/app_category");
			strnew += lines[i].replace("$app_category", cat.to_lower()) + "\n";
		 else if (lines[i].find("$copyright") != -1) {