message: only increase offset if caret hasn't been found yet
  also rename caret away as this isn't used for the caret solely anymore
diff: @@ -80,13 +80,13 @@ function getCaret(node, offsetToNode, offsetWithinNode) {
  // all ZWS from caret nodes are filtered out
  function getTextAndOffsetToNode(editor, selectionNode) {
  let offsetToNode = 0;
  - let foundCaret = false;
  + let foundNode = false;
  let text = "";
  function enterNodeCallback(node) {
  - if (!foundCaret) {
  + if (!foundNode) {
  if (node === selectionNode) {
  - foundCaret = true;
  + foundNode = true;
  }
  }
  // usually newlines are entered as new DIV elements,
  @@ -94,12 +94,14 @@ function getTextAndOffsetToNode(editor, selectionNode) {
  // converted to BRs, so also take these into account when they
  // are not the last element in the DIV.
  if (node.tagName === "BR" && node.nextSibling) {
  - text += "\n";
  + if (!foundNode) {
  offsetToNode += 1;
  }
  + text += "\n";
  + }
  const nodeText = node.nodeType === Node.TEXT_NODE && getTextNodeValue(node);
  if (nodeText) {
  - if (!foundCaret) {
  + if (!foundNode) {
  offsetToNode += nodeText.length;
  }
  text += nodeText;
  @@ -114,7 +116,7 @@ function getTextAndOffsetToNode(editor, selectionNode) {
  // whereas you just want it to be appended to the current line
  if (node.tagName === "DIV" && node.nextSibling && node.nextSibling.tagName === "DIV") {
  text += "\n";
  - if (!foundCaret) {
  + if (!foundNode) {
  offsetToNode += 1;
  }
  }
  