Minor fixes from enterprise codebase

server/commands/documentImporter.ts

@@ -202,6 +202,10 @@ async function documentImporter({
   // to match our hardbreak parser.
   text = text.replace(/<br>/gi, "\\n");
 
+  // Escape any dollar signs in the text to prevent them being interpreted as
+  // math blocks
+  text = text.replace(/\$/g, "\\$");
+
   // find data urls, convert to blobs, upload and write attachments
   const images = parseImages(text);
   const dataURIs = images.filter((href) => href.startsWith("data:"));