Councilwoman Inna Vernikov was arrested and charged after she allegedly brought a firearm to a Brooklyn protest, police said.

she violated the recently passed city law that prohibits civilians from bringing firearms to protests, the police said

At no point in time was anyone menaced or injured as a result of her possessing the firearm

Unless she was threatening someone (the article specifically claims she wasn’t), she will be acquitted. One does not have just one right at a time, one has all their rights all the time.