### Godot version

v4.0.beta9.official [e780dc332]

### System information

* Chrome 107.0.5304.110 (Official Build) (64-bit) on ChromeOS 15117.111.0 (Official Build) stable-channel octopus

### Issue description

When attempting to download your project from the web app using the Download Project Source button, nothing happens. This makes it impossible to download your project, which means that you must start over if you need to switch platforms.

### Steps to reproduce

1. Create or open any project in the web editor
2. Click `Download Project Source`
3. Notice a lack of download

### Minimal reproduction project

N/A, freshly created project works
#ifndef WEB_TOOLS_EDITOR_PLUGIN_H
#define WEB_TOOLS_EDITOR_PLUGIN_H
#if defined(TOOLS_ENABLED) && defined(WEB_ENABLED)
#include "core/io/zip_io.h"
#include "editor/editor_plugin.h"
class WebToolsEditorPlugin : public EditorPlugin {
	GDCLASS(WebToolsEditorPlugin, EditorPlugin);
private:
	void _zip_file(String p_path, String p_base_path, zipFile p_zip);
	void _zip_recursive(String p_path, String p_base_path, zipFile p_zip);
	void _download_zip(Variant p_v);
public:
	static void initialize();
	WebToolsEditorPlugin();
};
#else
class WebToolsEditorPlugin {
public:
	static void initialize() {}
};
#endif
#endif