Uppercase Sharp S (ẞ) misses from the output

[idavidka]

Steps to reproduce
Use latest version of jspdf and just add a text with uppercase sharp S (ẞ) letter.

What I saw
I printed out an uppercased text containing ẞ. This letter is missing. Yes, I am aware of use of unicode and with other characters, jsPDF works fine.

Example
doc.text("Text with lowercase ßßßßőőőőűűűű and uppercase ẞẞẞẞŐŐŐŐŰŰŰŰ");
results in the pdf: - Text with lowercase ßßßßőőőőűűűű and uppercase ŐŐŐŐŰŰŰŰ

I added the unicode font Arial and Times New Roman to the doc and as I said, other special chars for examplehungarian ő, Ő, ű, Ű etc works as intended.

[github-actions]

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