fix todouble err #9

Job	Run time
run-ci / i686-pc-windows-msvc (windows-2022)	19s
run-ci / generate-bridge / generate_bridge (x86_64-unknown-linux-gnu, ubuntu-20.04)	36s
run-ci / build-RustDeskTempTopMostWindow / build-RustDeskTempTopMostWindow	19s
run-ci / build-rustdesk-web	-1s
run-ci / format('build-rustdesk-linux-sciter {0}', matrix.job.target)	-1s
run-ci / matrix.job.target	0s
run-ci / build rustdesk android universal apk	-1s
run-ci / matrix.job.target	-1s
run-ci / build rustdesk ios ipa	-1s
run-ci / format('build rustdesk linux {0}', matrix.job.target)	-1s
run-ci / format('build rustdesk android apk {0}', matrix.job.target)	-1s
run-ci / format('Build appimage {0}', matrix.job.target)	-1s
run-ci / build-for-macOS-arm64-selfhost	-1s
run-ci / build-rustdesk-ios-selfhost	-1s
run-ci / publish_unsigned	-1s
run-ci / format('Build flatpak {0}{1}', matrix.job.target, matrix.job.suffix)	-1s
	1m 2s

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