### 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)

config->erase_section_key("remap", remap);
						}
					}
				}
				if (err != OK) {
					return err;
				}
				
				config->erase_section("deps");
				config->erase_section("params");
				String import_text = config->encode_to_text();
				CharString cs = import_text.utf8();
				Vector<uint8_t> sarr;
				sarr.resize(cs.size());
				memcpy(sarr.ptrw(), cs.ptr(), sarr.size());
				err = p_func(p_udata, path + ".import", sarr, idx, total, enc_in_filters, enc_ex_filters, key);
				if (err != OK) {
					return err;
				}
			}
		} else {
			
			bool do_export = true;
			for (int i = 0; i < export_plugins.size(); i++) {
				if (GDVIRTUAL_IS_OVERRIDDEN_PTR(export_plugins[i], _export_file)) {
					export_plugins.write[i]->_export_file_script(path, type, features_psa);
				} else {
					export_plugins.write[i]->_export_file(path, type, features);
				}