message: disable spell check for pills in the new composer
diff: @@ -164,6 +164,7 @@ class PillPart extends BasePart {
  toDOMNode() {
  const container = document.createElement("span");
  + container.setAttribute("spellcheck", "false");
  container.className = this.className;
  container.appendChild(document.createTextNode(this.text));
  this.setAvatar(container);
  