No, she isn't. Government cannot deprive anyone of their life, liberty, or property without first providing due process under the law. Which makes all mask and social distancing mandates illegal.
If government wants to mandate that an individual must wear a mask or social distance government
must present evidence before a court of law that proves beyond a reasonable doubt the individual is infected, contagious, and a threat to the public. If they do not do this for each and every individual, then they are violating the Fifth and Fourteenth Amendments of the US Constitution.
This is not my opinion, that is the opinion of the Supreme Court in
Jacobson v. Massachusetts, 197 U.S. 11 (1905):
Declaring an emergency does not give them the authority to violate the US Constitution whenever they feel like it.