[release/6.0] Fix crossgen2 calli GC hole by unifying MethodDesc/MethodSignature IsMarshallingRequired logic#58609

jeffschwMSFT merged 3 commits intorelease/6.0dotnet/runtime:release/6.0from

backport/pr-58430-to-release/6.0dotnet/runtime:backport/pr-58430-to-release/6.0Copy head branch name to clipboard