fix: create deep copy of file passed into tree

Ben Schlegel

2023-09-16 fea352849c6972da4b3b8935eb2e86f6cefc76ed

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export const escapeHTML = (unsafe: string) => {
  return unsafe
    .replaceAll("&", "&")
    .replaceAll("<", "&lt;")
    .replaceAll(">", "&gt;")
    .replaceAll('"', "&quot;")
    .replaceAll("'", "&#039;")
}