No.
She was peaceably assembling to petition the government for a redress of grievances.
The 1st amendment specifically gives her the right to do that. Here's proof.
The original text of the First Amendment of the Constitution of the United States.
constitution.congress.gov
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or
the right of the people peaceably to assemble, and to petition the Government for a redress of grievances"