gui: Fix Firefox bookmark favicon (fixes #9506) (#9507) #2471

Job	Run time
Check correctness	14s
Build and test (windows-latest, ~1.21.7)	3m 50s
Run govulncheck	24s
Build and push Docker images (syncthing)	2m 30s
Build and test (windows-latest, ~1.22.0)	4m 9s
Package cross compiled	7m 4s
Build and push Docker images (strelaysrv)	1m 49s
Build and test (ubuntu-latest, ~1.21.7)	2m 19s
Package for Debian	2m 30s
Build and push Docker images (stdiscosrv)	1m 49s
Build and test (ubuntu-latest, ~1.22.0)	2m 40s
Build and test (macos-latest, ~1.21.7)	1m 50s
Build and test (macos-latest, ~1.22.0)	1m 39s
Package for Linux	5m 54s
Package source code	29s
Package for macOS	0s
Package for Windows	0s
Basic checks passed	3s
Notarize for macOS	0s
Sign for upgrade	0s
Publish nightly build	0s
Publish release files	0s
	39m 13s

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