fix: pass along error message when OCR fails (#176)

Right now, if OCR fails, it just says "Error processing file" which
isn't very helpful.

The `error.message` does has helpful information in it, but our
filter wasn't including the right case to pass it along. Now it does!

Author: dlew

api/server/routes/files/files.js

@@ -438,7 +438,8 @@ router.post('/', async (req, res) => {
     if (
       error.message?.includes('Invalid file format') ||
       error.message?.includes('No OCR result') ||
-      error.message?.includes('exceeds token limit')
+      error.message?.includes('exceeds token limit') ||
+      error.message?.includes('Unable to extract text from')
     ) {
       message = error.message;
     }