I dont like mandatory masks, but if they are required by law or by facility policy, you are in violation if you dont comply and it is left to police to enforce.
Logan is in Hocking County, presently Level one , Yellow.
The mandatory masking comes when a county is designated level three, RED!
I expect that is pretty much what happened, and she refused to either comply with the policy or leave. If they never gave her the option to do both of those things before arresting her, I agree the police were out of line... but I expect they did, in fact, give her those options and she chose the stupid game instead of one of the two more reasonable responses.
There were obviously witnesses sympathetic to her present, so it will likely be settled in court one way or another.