### Godot version

4.0b10

### System information

Linux/Manjaro

### Issue description

Most dialogs in the editor scale their text field Controls to fit the whole window when it's resized, but the plugin creation dialog does not: 
![image](https://user-images.githubusercontent.com/24468819/210095286-e53bc450-dcdc-472c-acc7-f8b3532a0ca2.png)


### Steps to reproduce

1. Go to Project Settings -> Plugins -> Create New Plugin
2. Resize the new dialog

### Minimal reproduction project

N/A
} else {
		String path = "res://addons/" + _get_subfolder();
		if (!_edit_mode && DirAccess::exists(path)) { 
			is_valid = false;
			subfolder_validation->set_texture(invalid_icon);
			subfolder_validation->set_tooltip_text(TTR("Subfolder cannot be one which already exists."));
		}
	}
	get_ok_button()->set_disabled(!is_valid);
}
String PluginConfigDialog::_get_subfolder() {
	return subfolder_edit->get_text().is_empty() ? name_edit->get_text().replace(" ", "_").to_lower() : subfolder_edit->get_text();
}
String PluginConfigDialog::_to_absolute_plugin_path(const String &p_plugin_name) {
	return "res://addons/" + p_plugin_name + "/plugin.cfg";
}
void PluginConfigDialog::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_VISIBILITY_CHANGED: {
			if (is_visible()) {
				name_edit->grab_focus();
			}
		} break;
		case NOTIFICATION_READY: {
			connect("confirmed", callable_mp(this, &PluginConfigDialog::_on_confirmed));
			get_cancel_button()->connect("pressed", callable_mp(this, &PluginConfigDialog::_on_cancelled));
		} break;
	}
}
void PluginConfigDialog::config(const String &p_config_path) {