Updated steps in 'Viewing JIT Dumps' to see optimized code (#17077)
Updated steps in 'Viewing JIT Dumps' to see optimized code (#17077)

If one follows the current described steps, one won't see the JIT dump for optimized code in the core lib.
This PR adds the necessary step to see optimized code.

Cf. https://github.com/dotnet/coreclr/issues/17065#issuecomment-374772011
cshung/coreclr,krk/coreclr,krk/coreclr,wtgodbe/coreclr,mmitche/coreclr,wtgodbe/coreclr,cshung/coreclr,cshung/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,cshung/coreclr,mmitche/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,cshung/coreclr,wtgodbe/coreclr,poizan42/coreclr,cshung/coreclr,mmitche/coreclr,poizan42/coreclr,mmitche/coreclr