Fonts embedding in the PDF driver doesn't work

[waddlesplash]

From https://dev.haiku-os.org/ticket/6440

While testing Haiku in VirtualBox, I discovered that fonts are not properly embedded in PDFs created by printing from StyledEdit to to the PDF Writer. I was using Charter as my test font, and the driver settings SAY that it should be embedded, but it clearly isn't. Screenshots and sample files included