### 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
}
			if (r.has("icon_url") && !r["icon_url"].operator String().is_empty()) {
				_request_image(description->get_instance_id(), r["icon_url"], IMAGE_QUEUE_ICON, 0);
			}
			if (d.has("previews")) {
				Array previews = d["previews"];
				for (int i = 0; i < previews.size(); i++) {
					Dictionary p = previews[i];
					ERR_CONTINUE(!p.has("type"));
					ERR_CONTINUE(!p.has("link"));
					bool is_video = p.has("type") && String(p["type"]) == "video";
					String video_url;
					if (is_video && p.has("link")) {
						video_url = p["link"];
					}
					description->add_preview(i, is_video, video_url);
					if (p.has("thumbnail")) {
						_request_image(description->get_instance_id(), p["thumbnail"], IMAGE_QUEUE_THUMBNAIL, i);
					}
					if (!is_video) {
						_request_image(description->get_instance_id(), p["link"], IMAGE_QUEUE_SCREENSHOT, i);
					}
				}
			}
		} break;
		default:
			break;
	}
}
void EditorAssetLibrary::_asset_file_selected(const String &p_file) {