When someone uses the wrong pronouns, it's using the wrong pronouns, misgendering is a thing they're doing while they use the wrong pronouns. If I didn't know your pronouns were he/him and I called you "they" I would be using incorrect pronouns to refer to you, but I wouldn't be misgendering you.
When someone uses the wrong pronouns, it's using the wrong pronouns, misgendering is a thing they're doing while they use the wrong pronouns. If I didn't know your pronouns were he/him and I called you "they" I would be using incorrect pronouns to refer to you, but I wouldn't be misgendering you.