fix track changes import

Author: artem-harbour

packages/super-editor/src/core/super-converter/v2/importer/trackChangesImporter.js

@@ -6,10 +6,28 @@ import { parseProperties } from './importerHelpers.js';
  */
 export const handleTrackChangeNode = (params) => {
   const { nodes, nodeListHandler } = params;
-  if (nodes.length === 0 || !(nodes[0].name === 'w:del' || nodes[0].name === 'w:ins')) {
+  if (
+    nodes.length === 0 || 
+    !(nodes[0].name === 'w:del' || nodes[0].name === 'w:ins' || nodes[0].name === 'w:sdt')
+  ) {
     return { nodes: [], consumed: 0 };
   }
-  const node = nodes[0];
+
+  const mainNode = nodes[0];
+  let node;
+
+  if (['w:ins', 'w:del'].includes(mainNode.name)) {
+    node = mainNode;
+  } else {
+    const sdtContent = mainNode.elements.find((el) => el.name === 'w:sdtContent');
+    const trackedChange = sdtContent?.elements.find((el) => ['w:ins', 'w:del'].includes(el.name));
+    if (trackedChange) node = trackedChange;
+  }
+
+  if (!node) {
+    return { nodes: [], consumed: 0 };
+  }
+
   const { name } = node;
   const { attributes, elements } = parseProperties(node);