only restore if using msbuild since the msbuild with .NET Core 3.1 does not have this feature
only restore if using msbuild since the msbuild with .NET Core 3.1 does not have this feature

shyamnamboodiripad/roslyn,AlekseyTs/roslyn,tannergooding/roslyn,CyrusNajmabadi/roslyn,physhi/roslyn,weltkante/roslyn,KevinRansom/roslyn,davkean/roslyn,panopticoncentral/roslyn,KirillOsenkov/roslyn,shyamnamboodiripad/roslyn,ErikSchierboom/roslyn,panopticoncentral/roslyn,bartdesmet/roslyn,bartdesmet/roslyn,sharwell/roslyn,bartdesmet/roslyn,genlu/roslyn,mgoertz-msft/roslyn,AmadeusW/roslyn,reaction1989/roslyn,tmat/roslyn,sharwell/roslyn,KirillOsenkov/roslyn,gafter/roslyn,AlekseyTs/roslyn,diryboy/roslyn,mavasani/roslyn,mavasani/roslyn,reaction1989/roslyn,tmat/roslyn,brettfo/roslyn,reaction1989/roslyn,diryboy/roslyn,physhi/roslyn,wvdd007/roslyn,panopticoncentral/roslyn,shyamnamboodiripad/roslyn,KirillOsenkov/roslyn,brettfo/roslyn,CyrusNajmabadi/roslyn,jasonmalinowski/roslyn,AmadeusW/roslyn,jmarolf/roslyn,davkean/roslyn,jmarolf/roslyn,sharwell/roslyn,jasonmalinowski/roslyn,weltkante/roslyn,brettfo/roslyn,heejaechang/roslyn,tannergooding/roslyn,jmarolf/roslyn,aelij/roslyn,physhi/roslyn,diryboy/roslyn,mavasani/roslyn,AlekseyTs/roslyn,heejaechang/roslyn,davkean/roslyn,dotnet/roslyn,genlu/roslyn,CyrusNajmabadi/roslyn,aelij/roslyn,ErikSchierboom/roslyn,dotnet/roslyn,wvdd007/roslyn,heejaechang/roslyn,stephentoub/roslyn,KevinRansom/roslyn,stephentoub/roslyn,eriawan/roslyn,stephentoub/roslyn,eriawan/roslyn,wvdd007/roslyn,tannergooding/roslyn,genlu/roslyn,mgoertz-msft/roslyn,KevinRansom/roslyn,jasonmalinowski/roslyn,gafter/roslyn,aelij/roslyn,tmat/roslyn,gafter/roslyn,AmadeusW/roslyn,mgoertz-msft/roslyn,ErikSchierboom/roslyn,dotnet/roslyn,eriawan/roslyn,weltkante/roslyn