Multiple BreakLine don't work on Text/RichText Widget

[rodolfogoulart]

Multiple BreakLine don't work on Text/RichText Widget

To Reproduce
Code snippet to reproduce the behavior:

pw.RichText(
            softWrap: true,
            text: pw.TextSpan(children: [pw.TextSpan(text: '\n'), pw.TextSpan(text: '\n Text with multiple breakline \n\n another text \n\n\n last text.')]),
            overflow: pw.TextOverflow.span,
          ),

Expected behavior
multiple breaklines on the text

Desktop (please complete the following information):

• iOS
• Android
• Browser
• [ x] Windows
• Linux

[deepak-agendaboa]

See #991

[DavBfr]

Fixed in pdf 3.10.7