configureDrawer method
配置抽屉行为(仅抽屉路由栈可用)
可以在运行时修改抽屉配置
Implementation
void configureDrawer(DrawerConfig config) {
if (isDrawerStack) {
_drawerConfig = config;
} else {
debugPrint('Warning: configureDrawer() should only be called on drawer stack');
}
}