Specter Needs a New Font

I would like to see Specter get a font upgrade. The current font has very little space between characters and some character sequences, such as "rn" can easily look like "m" when verifying an address. I would recommend a monospace font with good padding between the individual characters. If the font isn't to be changed, at the very least, please increase the whitespace padding between characters.

The issue names no files, tests, or entry points. Start by locating where Specter’s desktop UI font and character spacing are configured, then confirm the expected font or padding with maintainers; done means address characters are clearly distinguishable during verification.

Written by the indexing model from the issue text.