### 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
Ref<ConfigFile> cf = memnew(ConfigFile);
	cf->set_value("plugin", "name", name_edit->get_text());
	cf->set_value("plugin", "description", desc_edit->get_text());
	cf->set_value("plugin", "author", author_edit->get_text());
	cf->set_value("plugin", "version", version_edit->get_text());
	cf->set_value("plugin", "script", script_name);
	cf->save(path.path_join("plugin.cfg"));
	if (!_edit_mode) {
		String class_name = script_name.get_basename();
		String template_content = "";
		Vector<ScriptLanguage::ScriptTemplate> templates = ScriptServer::get_language(lang_idx)->get_built_in_templates("EditorPlugin");
		if (!templates.is_empty()) {
			template_content = templates[0].content;
		}
		Ref<Script> scr = ScriptServer::get_language(lang_idx)->make_template(template_content, class_name, "EditorPlugin");
		scr->set_path(script_path, true);
		ResourceSaver::save(scr);
		emit_signal(SNAME("plugin_ready"), scr.ptr(), active_edit->is_pressed() ? _to_absolute_plugin_path(_get_subfolder()) : "");
	} else {
		EditorNode::get_singleton()->get_project_settings()->update_plugins();
	}
	_clear_fields();
}
void PluginConfigDialog::_on_cancelled() {
	_clear_fields();
}
void PluginConfigDialog::_on_language_changed(const int) {
	_on_required_text_changed(String());
}
void PluginConfigDialog::_on_required_text_changed(const String &) {