### 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 ((bool)p_preset->get("codesign/entitlements/app_sandbox/enabled")) {
					ent_f->store_line("<key>com.apple.security.app-sandbox</key>");
					ent_f->store_line("<true/>");
					if ((bool)p_preset->get("codesign/entitlements/app_sandbox/network_server")) {
						ent_f->store_line("<key>com.apple.security.network.server</key>");
						ent_f->store_line("<true/>");
					
					if ((bool)p_preset->get("codesign/entitlements/app_sandbox/network_client")) {
						ent_f->store_line("<key>com.apple.security.network.client</key>");
						ent_f->store_line("<true/>");
					
					if ((bool)p_preset->get("codesign/entitlements/app_sandbox/device_usb")) {
						ent_f->store_line("<key>com.apple.security.device.usb</key>");
						ent_f->store_line("<true/>");
					
					if ((bool)p_preset->get("codesign/entitlements/app_sandbox/device_bluetooth")) {
						ent_f->store_line("<key>com.apple.security.device.bluetooth</key>");
						ent_f->store_line("<true/>");
					
					if ((int)p_preset->get("codesign/entitlements/app_sandbox/files_downloads") == 1) {
						ent_f->store_line("<key>com.apple.security.files.downloads.read-only</key>");
						ent_f->store_line("<true/>");
					
					if ((int)p_preset->get("codesign/entitlements/app_sandbox/files_downloads") == 2) {
						ent_f->store_line("<key>com.apple.security.files.downloads.read-write</key>");
						ent_f->store_line("<true/>");
					
					if ((int)p_preset->get("codesign/entitlements/app_sandbox/files_pictures") == 1) {
						ent_f->store_line("<key>com.apple.security.files.pictures.read-only</key>");
						ent_f->store_line("<true/>");