Fix FetchFlameAPIKey compile error #97

Job	Run time
Build Debug / flatpak	25m 39s
Build Debug / build (ubuntu-20.04, 5, linux, 5.15.2, qtnetworkauth)	3m 50s
Build Debug / build (ubuntu-20.04, 6, linux, 6.5.3, qt5compat qtimageformats qtnetworkauth)	5m 31s
Build Debug / Nix (x86_64-linux)	19m 50s
Build Debug / build (windows-2022, Windows-MinGW-w64, clang64, amd64_x86)	21m 31s
Build Debug / Nix (x86_64-darwin)	16m 13s
Build Debug / build (windows-2022, Windows-MSVC, x64, amd64, 6, windows, 6.7.3, qt5compat qtimageformats qtnetw...	17m 43s
Build Debug / Nix (aarch64-darwin)	8m 29s
Build Debug / build (windows-2022, Windows-MSVC-arm64, arm64, amd64_arm64, 6, windows, win64_msvc2019_arm64, 6....	15m 47s
Build Debug / build (macos-14, macOS, 11, 6, mac, 6.7.3, qt5compat qtimageformats qtnetworkauth)	11m 38s
Build Debug / build (macos-14, macOS-Legacy, 10.13, 5, mac, 5.15.2, qtnetworkauth)	6m 30s
	2h 32m 41s

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