fix: keep AllAnime fast4speed direct fallback #1288

Job	Run time
test (macos-latest)	18m 45s
test (ubuntu-latest)	8m 29s
test (windows-latest)	11m 18s
build-windows-installer	4m 42s
build-binaries (ubuntu-latest, linux, amd64, goanime-linux, goanime-linux-amd64)	2m 56s
build-binaries (windows-latest, windows, amd64, goanime.exe, goanime-windows-amd64)	4m 27s
build-binaries (macos-latest, darwin, amd64, goanime-darwin-amd64, goanime-darwin-amd64)	3m 18s
build-binaries (macos-latest, darwin, arm64, goanime-darwin-arm64, goanime-darwin-arm64)	2m 20s
	56m 15s

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