[Self-Hosted] Custom favicon is ignored in initial HTML and `/web/favicon-32x32.png` is used instead

(#901) Bug Needs triage self-hosting

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Comment by @playaz44
RexSystem 1 vote originally by @playaz44 on GitHub
Great, thank you. I was too lazy to write this issue, so I'll add that the branding options do not work for me. I tried to change the icon, symbol, logo, wordmark, and favicon URL, but none of them work. Fluxer always uses its built-in icons.