VS2019, .Net 5.0, Winforms.Wasm 1.0.19137.60 - produces unhandled Mono.Cecil.AssemblyResolutionExceptions

Question

I am trying to port 6 class libraries developed under .Net 4.5.2 to .Net 5.00 using VS 2019. I chose .Net 5.00 (and VS 2019) as my final goal is to deliver the solution as