Its a stretch to consider this law breaking. The president either does or does not have authority here, but the only one breaking the law would be ByteDance.

Biden wasn't considered to have broken the law when courts threw out his plan to forgive school debt. The president tried something, the courts found the order to be invalid as the rule didn't fit the current laws, and everyone moved on about their business without claiming the president broke the law or implying he should have been charged.