patch for change in meta tag

[NiklasPrahl]

Patch for change in meta tag. Kept old tag as fallback.

[NiklasPrahl]

I can download my files from the Overleaf project now, but the download still doesn't work.

[NEW] Following new file(s) created on [remote] test.txt Using project ID as root folder ID: 6711475531c736f0d5535cf0 Upload failed with status 422 Response content: b'{"success":false,"error":"invalid_filename"}'... test.tex Using project ID as root folder ID: 6711475531c736f0d5535cf0 Upload failed with status 422 Response content: b'{"success":false,"error":"invalid_filename"}'...