Fsdk: fix build #1633

Job	Run time
macOS--mono	6m 55s
linux-oldLTS-github--dotnet-and-xbuild	6m 4s
linux-oldLTS-github--dotnet-and-msbuild	6m 17s
linux-oldLTS-vanilla--stockmono	4m 34s
macOS--dotnet6-and-mono	6m 29s
linux-newLTS-github--dotnet-and-msbuild	6m 18s
linux-newLTS-github--dotnet-and-xbuild	6m 26s
linux-newLTS-vanilla--newmono	5m 27s
linux-newLTS-vanilla--stockmono	4m 15s
linux-oldLTS-vanilla--newmono	5m 11s
linux-newLTS-vanilla--dotnet6	7m 0s
windows--dotnet6	7m 59s
windows--legacyFramework	17m 51s
sanity-check	55s
publish	0s
	1h 31m 41s

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