### Godot version

v4.1.1.stable.official [bd6af8e0e]

### System information

Godot v4.1.1.stable - Windows 10.0.22621 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1080 Ti (NVIDIA; 31.0.15.3667) - AMD Ryzen 9 7900X 12-Core Processor (24 Threads)

### Issue description

This [addon](https://godotengine.org/asset-library/asset/1989) is shown as empty when downloaded via the editor. If downloading from the website everything works fine and there is content in the zip file.
![image](https://github.com/godotengine/godot/assets/10883690/259f114a-6ac0-4dd2-b71f-75c35d91ba85)

The asset uses `Custom` as repository host, linking with URL to `https://github.com/kenyoni-software/godot-addons/releases/download/hide_private_properties-1.0.1/hide_private_properties-1_0_1.zip`

### Steps to reproduce

Go to the Asset Lib and download [Hide Private Properties](https://godotengine.org/asset-library/asset/1989).

### Minimal reproduction project

N/A
border2->set_content_margin_individual(15 * EDSCALE, 15 * EDSCALE, 35 * EDSCALE, 15 * EDSCALE);
	PanelContainer *library_vb_border = memnew(PanelContainer);
	library_scroll->add_child(library_vb_border);
	library_vb_border->add_theme_style_override("panel", border2);
	library_vb_border->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	library_vb = memnew(VBoxContainer);
	library_vb->set_h_size_flags(Control::SIZE_EXPAND_FILL);
	library_vb_border->add_child(library_vb);
	library_info = memnew(Label);
	library_info->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
	library_vb->add_child(library_info);
	library_error = memnew(VBoxContainer);
	library_error->hide();
	library_vb->add_child(library_error);
	library_error_label = memnew(Label(TTR("Failed to get repository configuration.")));
	library_error_label->set_horizontal_alignment(HORIZONTAL_ALIGNMENT_CENTER);
	library_error->add_child(library_error_label);
	library_error_retry = memnew(Button(TTR("Retry")));
	library_error_retry->set_h_size_flags(SIZE_SHRINK_CENTER);
	library_error_retry->connect("pressed", callable_mp(this, &EditorAssetLibrary::_request_current_config));
	library_error->add_child(library_error_retry);
	asset_top_page = memnew(HBoxContainer);
	library_vb->add_child(asset_top_page);
	asset_items = memnew(GridContainer);
	_update_asset_items_columns();
	asset_items->add_theme_constant_override("h_separation", 10 * EDSCALE);
	asset_items->add_theme_constant_override("v_separation", 10 * EDSCALE);
	library_vb->add_child(asset_items);
	asset_bottom_page = memnew(HBoxContainer);
	library_vb->add_child(asset_bottom_page);