### 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)

offset += 2;
		if (len & 0x8000) {
			len &= 0x7FFF;
			len = (len << 16) + decode_uint16(&p_bytes[offset]);
			offset += 2;
		}
	}
	if (p_utf8) {
		Vector<uint8_t> str8;
		str8.resize(len + 1);
		for (uint32_t i = 0; i < len; i++) {
			str8.write[i] = p_bytes[offset + i];
		}
		str8.write[len] = 0;
		String str;
		str.parse_utf8((const char *)str8.ptr());
		return str;
	} else {
		String str;
		for (uint32_t i = 0; i < len; i++) {
			char32_t c = decode_uint16(&p_bytes[offset + i * 2]);
			if (c == 0) {
				break;
			}
			str += String::chr(c);
		}
		return str;
	}
}
void EditorExportPlatformAndroid::_fix_resources(const Ref<EditorExportPreset> &p_preset, Vector<uint8_t> &r_manifest) {