Fix -Wswitch warning in Mouse (#513) #147

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 28s
build (windows-2019, x64-Release, amd64)	1m 33s
build (windows-2022, x64-Debug, amd64)	1m 5s
build (windows-2022, x64-Release, amd64)	2m 0s
build (windows-2019, x86-Debug, amd64_x86)	2m 8s
build (windows-2019, x86-Release, amd64_x86)	1m 58s
build (windows-2022, x86-Debug, amd64_x86)	1m 3s
build (windows-2022, x86-Release, amd64_x86)	1m 40s
build (windows-2022, x64-Debug-Clang, amd64)	1m 58s
build (windows-2022, x64-Release-Clang, amd64)	2m 5s
build (windows-2022, x86-Debug-Clang, amd64_x86)	1m 30s
build (windows-2022, x86-Release-Clang, amd64_x86)	1m 47s
	20m 15s

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