Bug#1098406: libpoppler-glib8t64: cherry-pick upstream fix "Fix default signature colors"

[Jeremy Bícha]

On Thu, Feb 20, 2025 at 3:57 AM Amr Ibrahim <amribrahim1987 at hotmail.com> wrote:
> Please cherry-pick this upstream fix:
>
> glib: Fix default signature colors
> https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/1751
>
> It fixes digital signature in Papers.

I do not know a way for me to test digitally signing a PDF with the Papers app.

But I can cherry-pick this fix.

Thank you,
Jeremy Bícha