– emdash exports as unkown character

[8BitMars]

Describe the bug

The emdash character (–) appears as an unknown character in the pdfs To Reproduce Code snippet to reproduce the behavior:

// your code

Expected behavior

When exporting the pdf the emdash character should output as an emdash rather than an unexpected character

Screenshots

Flutter Doctor

Desktop (please complete the following information):

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

Additional context